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This week was my Boss's wedding,
So had most of the week off.
Took the free time to solidify my understanding of Docker.
Last night, I was finally able to Dockerize our whole architecture.
Deployed it today morning. Running without hiccups till now :')
Feeling amazing.11 -
Use Docker, it's awesome because you won't need VMs anymore.
Using Win7: You need a VM for running docker. 😫11 -
I have my reasons that Socrates once tried to understand how Docker works, because I have exactly the same feelings.
8 -
When you go to some tech meet up and your mom thinks you went to some kind of 4 years old kids' birthday party
3 -
So i heard that docker is now a thing and decided to put my servers into containers as well (see image)...but somehow I still don't understand how is this supposed to simplify deployment, vertical scaling and so on...? :D
6 -
Docker: "Build, Manage and Secure Your Apps Anywhere. Your Way."
Also Docker: "To run Linux in Windows, sacrifice 3 virgins."16 -
My boss says "cocker" once (referring to docker) a teammate and I make a meme of that, allways we have to talk about docker we say "dicker" or when we have to talk about git we say "dick" like "dick commit, dick pull, dick push".12
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senior devops in the school IT dep: "gcc is not working, it keeps telling theres no input files when there is, and its failing most of my builds"
are you sure sir? Give it another go
(Meanwhile my friends managed to sneak a "fixed image")
see? it works.
Senior Devops: " I swear it didn't work"
(we giggle)
check the last build's .bashrc
>alias gcc= (the error message e was referring)
Senior Devops: "MOTHERFUCKERS"
Actually its just your infra that we pushed the image to, school infra is unaffected
I mean it was fun while it lasted.4 -
So this client wanted a demo on Dockers. So I gave the demo with some microservices running on different containers. Later the clients come back and say, "Docker is good. But please fit all the microservices in one container." I say but that defeats the purpose of microservices. But no, the client say. I tried explaining but no is no. Shit!! Fine! Have it your way!!5
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We've just accepted a project that involves an old Ubuntu VM on top of a VirtualBox installation.
I'm the only guy at our (small) company who knows Linux and who's comfortable with it (I actually really like this fact:)), so naturally I got picked to handle the VM and install it, configuring the webserver + databases that it provides etc. so we can all be synchronized among ourselves with the workflow of handling that big ass app that relies on that VM.
I am also the lead frontend dev at our place.
Now, in our modern time of 2018, something like this VM could easily be replaced by a well configured Docker container.
We've got another guy who's main focus is handling server side stuff, so naturally I told him we'd be better off using Docker in the long run because <countless reasons here>;
Me: "Hey man, we'd better replace that nasty VM with a Docker container once we get more familiar with the project"
Him: "What is Docker?" (Again, this is the SERVER dude we're talking about)
Me (trying to explain the idea to a semi-technophobe in middle-ages terms): "Well, imagine you have a CD, like the old CDs that came before disk-on-key devices came to the world. Now imagine that that CD has a DB configuration built in, an Apache server, MySQL etc, and that you can deploy what's on that CD anywhere and it would just work out of the box, since the environment would already be set up. That's roughly what Docker is, and we could use it to simplify the installation and deployment process."
Him: "Oh that sounds awesome! We should do it when we have the time!"
Me: "Yup! The only real pitfall is that Docker runs on Linux, Mac and Windows 10 and up. You're gonna have to let go of your Win7 eventually"
Him: "Hmm, ok maybe the configuration of that VM isn't that complicated?"
Me: <head almost gets detached from body due to a massive facepalm> "Eh."
And again, I'm the lead frontend guy. :|6 -
Everyone in the office is amazed to discover that VS Code has a UI for Docker... Guys... this is just the "I" in "IDE"...2
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Quote from Docker site: "anyone with Docker and an editor installed can build and debug the app in minutes"
Really? I'm two days in and still can't get this damn thing to work. And no solution in sight. Command line tools... sheesh.9 -
After 1h of work, research, one ugly hack and 2 unexplained laptop power outages i made it. I shrunk down my docker container from 800MB to astonishingly small... 500MB...
In my defense: the python libraries take up 300MB of space.5 -
You know what? I'm gonna write my own WordPress theme and I'll write it in my own docker compose.
17 -
So we started looking into docker. As always I needed to do the research and I was fine with it.
We have 4 projects that are sold into one suite so logically I follow the microservices build structure.
3 months later after everything has been set up, we get called into a meeting. The whole suite should be a monolith as microservices doesn't make sense to the people planning everything.
Ok pulled my current plans out abd made everything a monolith. Just note I also get pulled away to other Business Units to do work for them.
Get pulled into another meeting 2 months later. Why isn't the docker containers in microservices!? It is stupid running as a monolith and we should've done our jobs better etc...
After the meeting my manager and I just sighed and walked to the office. So basically 5 months doing the the exact same thing we did in 3 weeks.
Now they want to develop other services and want to strip every method into a microservice and bundle it together.
Life of a DevOps engineer right!1 -
When you spend a few days getting a monolithic LAMP app working in Docker so we don’t have to follow a 12 page install procedure... only to have your senior say “that’s not the way we do things around here”7
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To me, it seems like the rise of distributed systems like mesos / kubernetes combined with Docker require you to be master sysadmin, veteran kernel hacker and a part time c developer ALL AT ONCE if you really want to shave off time from debugging/ performance tuning sessions. Anyone wish they paid more attention in class ? Lol.
4 -
The project tech lead asks me to add some Docker configuration files sent by the client to a project. He gives me a zip file and I unzip it and add the files to Git. Job done.
Later he checks the commit and starts bitching because I unzipped the file and it should have been added as a zip. After much debate trying to explain to him that Docker wouldn't open the zip file to search for the Dockerfile he just says "Can you just do it? I double checked with the client!". I give up after giving him all the arguments why he is wrong and do it.
The next day the client checks the commit and comments bitching that I included the zip file and not the contents of it.5 -
I'm not knowledgeable when it's about Linux, so when I want to do some stuff I always have to take a f*cking lesson and a half. Could someone please explain to me what Docker is?20
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Current status: i should have gone to bed hours ago and there are other things i need to do, but right now i'm compiling ffmpeg in a docker container10
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I have been learning how to dockerize entire projects this week, and I have to say, Docker is the best thing I've come across in a long time.
That is all6 -
I have spent the last 24 hours trying to connect a postgres db and a docker contained application both running on the same vps.
What no one told me was docker applications run on a separate network interface…
I need sleep...5 -
I didn't really find the usefulness of Docker until I used Docker Compose. Deploying our architecture with a simple 'docker-compose up' FeelsGoodMan.jpg2
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Learn enough docker to convince my coworker that it is not the solution to EVERY problem, especially not to our problem8
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Today I built an ASP.NET Core 2.0 Rest-Api within a docker-container.
Then I ran a docker-container with the compiled ASP.NET Core 2.0 app behind a nginx router.
It was purely magic!
:)2 -
Tried installing docker on windows today (for an experiment) and after it finally installs and goes to start up i get the hyper-v required, installing will prevent virtualbox from working.
Yea... FUCK NO! There goes that idea 😡4 -
that moment when you have to learn Docker at work, so you convince networks teacher to do that in classes.3
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Definitely Docker.
Do whatever you want, whenever you want.
The pinnacle of flexibility.
Try out everything, without installing anything.
Deploy with the same environment you're developing with on your local machine.
It's brilliant! -
me: *hosting docker registry for our team*
me: *sets up ssl and cloudflare dns and shit*
me: *tries to push to registry*
my pc: *413 rEQuEst EnTITy tOo LarGe*
me: *spends 4 hours scrutinizing the shit out of my nginx configs*
me: *finally finds cloudflare sitting there rejecting all of the requests... that cheeky bastard* -
Containerize everything
My containers are too big, let's just remove some useless binaries...
Later
~ $ less /var/log/foobar.log
/bin/sh: less: not found
~ $ cat /var/log/foobar.log
/bin/sh: cat: not found
~ $ ls /var/log/foobar.log
/bin/sh: ls: not found
~ $ su
/bin/sh: su: not found
~ $ exit
/bin/sh: exit: not found1 -
As you guys may or may not know (or may or may not give a fuck), I'm currently part-time studying to get a diploma and get the fuck out of my country. Since I have to write a 40-pages long "end of study dissertation" about something we personnaly have interest in, I decided to teach myself about DevOps.
In order to prepare it, I decided to get a Raspberry Pi, install Docker and Jenkins (as a container) on it, and handle my multiples websites on it, and build a huge fucking website around which I would write my dissertation about.
But man, I'm starting to loose hope, I get to bed at 2 AM every night because I'm trying to make some basic shit work until I realize that I just CAN'T what I want because of tons of reason, so I try to lower my expectations, and it's frustrating. Yesterday, a Ruby on Rails image I created was perfectly working, tonight MySQL throws an "host not authorized for this mysql server" error, and I don't know what the fuck is happening nor if I can do anything about it.
I love teaching myself new stuff, but I have to admit, it's waaay harder than I expected2 -
I think I'm getting crazy...
Yesterday evening I finally thought it was a great idea to set up Gitlab CI to let the server build (ng cli) and deploy (via FTP) an Angular5 SPA on commits on the master branch.
BUT...
The npm package "vinyl-ftp" thinks it is pretty fucking funny to just randomly stop in the middle of uploading files or just upload some files with 0 bytes in size.
WHAT THE HELL?
After some hate infested trial and error, it seems that the more parallel channels I set up, the more chance I get that all files are correctly uploaded, but never all.
If anybody here happens to be some kind of mighty byte bender and knows what to do, I'd be thankful. But I will probably try out a different client in the docker image...1 -
I'm learning docker and I just started a container running a Linux distro.
What was the first command I run in the container?
rm -Rf / --no-preserve-root3 -
So a friend just told me one of his websites just got hacked and replaced with viagra advertisement.
He basically avoided joomla updates in order not to break something.
On the weekend I'm going to show him how to quickly spin up a docker environment for testing updates. -
Forget about a missing semicolon. I was forwarding Neo4j to port 4747 and calling it in Asp.Net with port 7474 in Docker containers. It took me 6 hours to figure that one out. Lol, It's time for the weekend.4
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I’m just in love with Docker.
My enterprise finally accept to give it a try.
NB : We have tons and tons of VM for nothing.4 -
Other Team: "our builds don't clean up properly"
*docker rm -f $(docker ps -a)*
Other Team: "our builds keep filling up machines"
*docker rmi $(docker images -q)*
Random Team Member: "My builds keep failing on service foo randomly exiting"
Other Random Team Member: "Why is there no caching on our builds"
...
team panics thinking it's their fault as our main job still passes, as it's on another machine.
...
When we find out after tracking build history
KMS4 -
I am learning about CI/CD and DevOps, and i finally made my first build/deploy/unit test script.
I use arch btw6 -
Tonight, I gave birth to my first fully functional and deployment-ready dockerized application, "lestadium_web_1"!!
The big baby contains a Laravel showcase website with some React already in production! Big bonus with that, it's connected to a database, and I managed to setup some environment variables so nothing too dangerous is built within the image!
Fuck, that was exhausting but I'm so happy to finally understand how to make my stuff work, how they work and how to find some examples to get inspired from 😍6 -
Just got our development Laravel docker image down to under 124 MB with alpine linux. The satisfaction...12
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Docker is awesome for minimizing environment problems.
Current side project needed a database, a web server with php and a transpiler server running. Before, other people developed using XAMPP on windows. I dockerized the project and have now just one build script setting up everything the app needs, regardless of the underlying operating system.1 -
Spend two days struggling with environment variables not being available in python script running on a docker container, tried providing environment variables directly, not working, tried providing a env file, not working
.
.
.
Turns out I was passing variables to the wrong container fml2 -
*ssh into server*
*runs 'sudo systemctl start docker'*
*ssh into server again*
> Permission denied
How docker? How are you destroying the ssh servers auth?12 -
WHAT THE FUCK DOCKER??
WHY ISN'T THE IMAGE SMALLER WHEN I REMOVE APPS?!?! Just don't understand it, but whatever. Still weird.9 -
Being in a university that has an eSports Academy is less exciting when you're part of the team maintaining it weekly... Well, at least the part where we had to set up a local cache server with docker & nginx was fun
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Docker is a fuckin bi*ch... build success at #22. What a Friday! Tomowzz gonna be lit if I don't get any calls tonight.
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Just had one of those days.... totally learned A LOT about how to properly profile a Linux box using Brendan Gregg's( Netflix ) USE method. Only problem is... I didn't make any actual progress on my application project itself. 😩😩😩😭😭😭
3 -
There is this docker guy in our enterprise.
Always, he is told there is a challenge in software operations, he brings up the solution "move it into a docker container and the challenge won‘t be a challenge anymore".
........
Don‘t get me wrong.
I love to use docker as a technology to host my apps.
But for me it is not the golden hammer technology which cures all dread diseases on this planet.
Sometimes it is just overhead for the solution of small challenges.3 -
Wtaf?
why are there only two of seven characters of the Webservice password, when the request goes out in my docker container?
Answer:
The password was retrieved via PHP getenv()
Soooo....
If there is a $ in an environment variable, this $ has to be escaped with $$.
fml
Everyday another thingy to learn ^^
xD1 -
so I installed nginx on my server this week. I feel like a giddy kid now installing one self hosted app after another. REVERSE PROXY ALL THE THINGS!
Right now I have reviewboard and drone (drone.io) installed. Any of you guys have suggestions for other cool stuff to try out? Mostly interested in something with a web API that can do fun stuff :)3 -
It's so frustrating to see how PHP images for Docker are nicely set up, well documented, come with Apache or Nginx, almost ask you to let them pay your bills, while you get almost nothing from Ruby, and when you think you finally made something that works, it behaves like a fucking drunk irish3
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Never new setting up a mail server could be a huge pain 😭
Two days still no luck... Let's see how long it takes14 -
Spending hours trying to figure out why the stack just won't work with SSL. Nearly lost my mind as we started feeling dumber than ever. I really started to doubt my skills after it did not even work with the most minimal nginx site config I could imagine.
The next day I discovered that we missed the 443 port mapping in the docker-compose file...it only had port 80 mapped.
Yup, stepping back from a problem and getting some sleep is really worth it sometimes. -
Ok tomorrow I'm gonna kidnap one dev or two and I'm gonna release them only when I fully fucking understand how to fucking send an image to a private registry goddamnit
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Starting to migrate apps from a messy structure to docker containers. Have not worked a lot with docker before so i'll hope it goes as smooth as people told me
9 -
!rant: How can it be that in a dockerized PHP application running on localhost, only ONE of the sub pages tries to load in via https? it literally said https://localhost/pagename in the browser. Nothing in the Nginx conf file says anything ssl related. Neither does, to the best of my knowledge, does it state anywhere (in the DB, code, you name it) to use SSL at all. Consider me stumped.5
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Docker's encapsulation is amazing! I don't have to know anything about networking to get a swarm running with some demo services all talking to each other and central logging and... oh I fucked something up... better read about networking so I know what I broke1
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docker service scale serviceID=5
If only scaling my bank balance were as simple as docker swarm scaling !1 -
Me and a couple of my friends at the IT dep stationed in the school servers will do something a little interesting for tomorrow
we will alias gcc with the error message you see when the compiler does not recieve any input files in the Docker images in their build CIs.
oh dear -
This story is related to Docker containers.
Three years back when I heard about docker my first impression of docker was mini Virtual Machine. Then when you start your first container it’s no way to get out apart from pressing ctrl+d or leaving it like a screen. One of the most embarrassing thing with it was I tried really really hard to setup SSH on one of the container to log in there somehow. Then I understood how to use Dockerfiles and the command called `docker exec`
I thought Dockerfiles are the most amazing thing I have ever used for docker. But then I got introduced to docker-compose, and now it’s same with kubernetes
Now a days I read most of the document before doing hands-on on any new technology. -
My journey into learning Docker, chapter {chapter++}:
Today I learned that when you use a database image in your docker-compose file, and you want to rebuild the whole thing for reasons (say, a big update), then if you change your credentials ("root" to "a_lambda_user" or change the db's password) for more security, and you rebuild and up the whole thing... It won't work. You'll get "access denied".
Because the database (at least mysql and mariadb) will persist somewhere, so you need to run "docker rm -v" even though you didn't use any volumes.
I love loosing my fucking time.4 -
I'm literally dying because this video left me without breathe from laughing
https://youtube.com/watch/...4 -
I think I'm obsessed with Docker. Started off as a PITA and now I can't seem to do a project with out it :/3
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What certifications do you guys have, and which do you recommend having?
I'm currently pursuing AWS Developer Assosiate, and in the future Google certified Android developer and MongoDB developer.
Been thinking about Docker but it costs too much15 -
Trying to use docker for the first time, and getting nowhere. I think I'm actually unlearning how to use a computer.1
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Docker for Mac loves burning my CPU. Even if I delete all images and containers and do a fresh reinstall and JUST have Docker for Mac running, I always see crazy CPU usage on my Late 2016 15" Macbook Pro.
6 -
Docker broke, swarm was a bloddy house of cards, from the first days of swarm, consul was somewhat bent around that crap
No docs, no one has a clue, no support and got somewhat backstabbed
Well... Maybe i should do something with wood or orchids ...4 -
You can connect to Docker containers directly via IP in Linux, but not on Mac/Windows (no implementation for the docker0 bridged network adapter).
You can map ports locally, but if you have the same service running, it needs different ports. Furthermore if you run your tests in a container on Jenkins, and you let it launch other containers, it has to connect via IP address because it can't get access to exposed host ports. Also you can't run concurrent tests if you expose host ports.
My boss wanted me to change the tests so it maps the host port and changes from connecting to the IP to localhost if a certain environment variable was present. That's a horrible idea. Tests should be tests and not run differently on different environments. There's no point in having tests otherwise!
Finally found a solution where someone made a container that routed traffic to docker containers via a set of tun adapters and openvpn. It's kinda sad Docker hasn't implemented this natively for Mac/Windows yet.4 -
Hi guys,
I want to ask if anyone would like to join a PAAS project I'm starting? From the start it will be opensource and then when it evolves we may consider making a hosted service as well as a enterprise version. No one is going to be payed by entering this project. I'm looking for people that have experience with docker and docker swarm mode or can program in php, make console apps and that can make a UI.4 -
Dear Docker for Windows I know you exist to make devs on Windows life easier. But DEAR GOD, with all the firewall/group policy problems..you have been the pain of my existence during this short time developing on Windows.
Literally have a countdown on the time left until I get to no longer do a rain dance for my development environment to work.
2 -
I'm in the first semester at my third college, working on my B.S. degree. I get a job in the finance and operations IT department doing web development. I get to use lots of tech I've never used before, like Python Flask, Docker, Redis, Azure, Slack, Microsoft VSTS, Portainer, MongoDB, Oracle database (weeeeeeeeeeee), and who knows what else awaits me. It took a week to get me access permissions to various systems but that's fine. I expected that.
* It's the first time I've ever touched Docker. I manage to break it so badly (somehow) that I BSOD my Win10 machine. Everyone in the office congratulates me on such a feat.
* I get assigned to an internal app management site to not only patch because it's currently broken but also improve. Coming from a PHP background, I've seen some nasty code. What I didn't expect was the same exact same anti-patterns and coding "practices" (examples: everything in a single file, all forms on a page POSTing back to itself for submission, sloppy, mostly uncommented, densely packed code) in a Python Flask project. I was told it was thrown together quickly by a previous employee who made this as his first Flask app, but this was not what I envisioned.
It's as if everything I do in my career is to prepare me to untangle the next monster code base I come across. I feel like the universe is mocking me.
That's cool. Bring it on. I'm ready. I'm enjoying this job anyway. 😎3 -
Today I finally solved a docker problem I was stuck with for 2 days.
For some reason it didnt want to download the needed images although colleagues could download the same images. Every time I tried it resulted in a Python IO error.
Today I had enough of it so asked if I could join another project. I had to download the exact same image for that project and it worked... Setting up the first project worked as well since I had these images already.
I still dont know why it didnt and later did work, but that is the life of devs.1 -
Docker rant, and "learning to code" rant in general:
Fresh install of docker (Mac), pulled latest containers, pulled latest master branch from codebase, shell in to run the test suite. I source env variables, migrate, looks like business as usual, then the test runner kills itself for no (apparent) reason.
Check out console logs from docker, missed heartbeats from celery and some shit about a time warp. wtf is that?
OK whatever, do the normal "restart my laptop, restart docker, try again" and now two hours of me staring at ./manage.py test -v 3 -l DEBUG --keepdb (appname) wondering wtf is wrong here.
Meanwhile I am not a seasoned dev, with 2-3 years of Javascript, the past 6 months I've been learning to dev in Python/Django using docker.
Only colleague on at this hour can't think of anything, so I file a bug report feeling like a dumbass for not knowing wtf broke upstream in the past day/week, and imagining the "real" devs (i'm in the product team, not the engineering team) losing their faith in me that I could be a competent dev someday
Cant shake this feeling of shame of being ignorant, like I should automagically know how to fix this. -
Forget about everything I could say these last 2 days: I'm having as much fun with Docker than when I first discovered Ruby on Rails 3 years ago 😍
I still don't understand everything with docker-compose & shit but so much things are way more clear when you try them out!1 -
WHY NEXTCLOUD, WHY DOES IT HAVE TO BE SO FUCKING COMPLICATED TO UPGRADE YOU TO THE LATEST VERSION??????
NOT ONLY DID THE DATABASE MIGRATIONS NOT RUN, YOU DIDN'T HAVE THE UPDATED VERSION OF THE FUCKING AUTHENTICATTION PROCESSOR IN THE OFFICIAL SERVER DOWNLOAD SO THE WHOLE THING WAS BROKEN AFTERWARDS.
I'VE WASTED 4 HOURS ON THIS FUCKING UPGRADE 😤😤😤😤😤😤😤4 -
So yesterday i upgraded the packages on my pi, docker being one of them. After that all my containers were down and couldn't be restarted. The error message said the container was already started...
Using the internet i found out other people had that problem too after upgrading to docker 18.02. I ended up removing all containers and searching the bash-history for the docker-run-commands to create new containers.
DOCKER, LISTEN UP. YOU'RE COOL AND SAVED ME A LOT OF TIME. YOU HAVE MINOR ISSUES, BUT THAT'S OK. BUT IF YOU CRASH MY CONTAINERS ONCE MORE I'LL GO CAPTAIN AHAB ON YOU.
Oh, and some more armhf-containers would be nice. WHY CAN I ONLY RUN DOCKER-REGISTRY ON AMD64-ARCHITECTURE? -
Fucking docker swarm. Why the hell do they have to change the way it works so damn often. Find a good workthough and its not fucking valid anymore cause swarm doesnt use consul to catalog swarm nodes anymore. Well fuck thanks docker now i have to rethink my architecture cause you fuckers wanted to do something half assed.
Sad fucking thing is the change that made you do that shit in the first place doesn't work right for ssl so your damn mesh network is fucking useless for any real world uses unless people like me rig the fucking hell out off it.
Another fucking thing how the hell haven't these fucktards added a shared storage yet, come the fuck on. -
Cloud agnostic solution with terraform (where necessary), k8, etc.
AWS: no issues
Docket EE: no issues
GKE: no issues
Couple other options: no issues
Client bare metal: no issues
Azure: slower than hell, barely functions, Azure “support experts” have no idea and aren’t being helpful
(sigh)2 -
Haha, Docker just got a shit ton of negative PR for hiding the download behind a login. The hackernews post is ranked place 2 right now and if you haven't before you now know about this dick move of these shitheads too.4
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Dear Docker Support,
You suck.
--
regards,
User with unanswered ticket for a month (and not the first time)3 -
Spent the weekend geeking out getting my head around a proper Docker based environment for my development env at home and for the team... 90% done and I couldn't figure out why I couldn't start my Splunk instance up.... I'd set the default logging to Splunk.... Chicken & Egg probs!
But how awesome is docker with portainer and app templates eh?! -
Just found a tutorial on DigitalOcean to setup traefik so I can easily make my images accessible to the outside.
"So create this file, add this in it, create this proxy, run this long ass command, and when you go to 'https://monitor.example.com', you should get this dashboard"
Got "This website is not available".
https://youtube.com/watch/... -
Installed celery...
ran my code...
error...
module 'celery' not found...
wondered why...
reviewed...
didn't install it properly in Docker...
end of story -
Some time ago I was looking for materials regarding Ansible automation tool and realized that most of them suggests setting up the lab environment using virtualization (like VirtualBox). In my opinion that is not the best approach – virtual machines consume lots of resources and take some time to start/kill. So I decided to write a guide for setting up Ansible lab environment using Docker containers. Containers require significantly less resources than vm’s and can be bring up and down really quickly. Additional advantage is easy way of automating whole environment using docker-compose. You can find my guide at github: https://github.com/LMtx/... Any feedback is very welcome :)3
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Any devs out there worked building Golang microservices for a production environment?
I don’t have a specific question really. Just wondering who is out there on a similar path!
I’m building using Golang, Google Cloud, Docker, Kunernetes, and Terraform currently on a personal product bound for production!1 -
I'm getting really astounded by how little my co-workers know about anything about server setups. I've created a local Docker environment that is to be used by everyone to help manage the applications, but NO ONE seems to understand what I made let alone know what Docker is. For some reason they see it as another VM.
They're just content with it works, I can run my PHP application, and if they have a problem, rather than try and find out themselves, they just come straight to me.
I can pretty much tell that this team is going to be screwed when I move onto my next role. -
TFW when you've been trying to figure out why your apparently flawless JPA database query won't return anything and realize you forgot to populate the database after setting up the docker-image....
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Having a shit of a time trying to figure out why Docker containers are not accessing other containers via domain names as they should technically be going through the jwilder nginx proxy container.
Why can't environment setups ever be simple? -
So, right now we upload production code by means of FTP.
I said it would be better to use continuous deployment using Docker, but they said it was overkill (I work at a small company).
Because manually uploading by means of FTP is so much better right...6 -
For me, it would be Caddy Server
Discovered it while running some researches around GoLang, where I could see that it was really useful when used with Hugo Framework.
It took me something like 10mn to configure it to run (I couldn't believe only 2 lines would make my things work), and 5 more to make it run with Docker and Traefik (another good open source project that I now use everyday).
Now all my projects where I use Docker have Caddy included o/ -
I realise the latest trend is to leave GitHub, but I will be keeping my Repo's on there for the foreseeable future, or at least until GitLab can get their shit together.
They seem incapable of hosting their own data, and having just wasted 8 hours of my life trying to install this POS I'm unable to trust the platform as a self-hosted model either!7 -
Docker pisses you off? Everything worked fine and suddenly doesn't?
$ docker system purge
Reset Docker
Reinstall containers.
Profit.1 -
The problem with moving Docker containers from your decked-out dev machine to a VM on AWS when your boss has told you to keep costs down:
1. Start Micro instance, 1++ gig memory
2. Get Out of Memory error from app after 30 minutes
3. Goto 1 -
Not much of a rant, just laughing at myself. Typed in docker run android instead of cordova run android and sat there waiting for a minute or 2 😂
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installing oracle 11gr2 database via docker is so easy and quick rather installing to the system
Totally saved my time, now I can have more time for learnig1 -
Boss told me to create a Docker Container for my Selenium Tests...
Mission Failed, my boss gave me a 32bit Windows mashine...
Probably i should install a new OS... -
My standard pattern for using 'time saving' things (frameworks, scripts, new technologies) seems to be:
1) Get excited by how easy <new thing> is to use.
2) Spend the next 12 hours trying to work out how to work with this new shit.
3) Realise I'm now further back than I started.
Today has been docker.
Easy to run my new Wildfly docker container.... can I find the IP address to connect to? Can I fuck.3 -
Since some started posting pics of their work machines. Here's mine: an Asus ZenBook 3 deluxe. Nodejs dev.
5 -
Spent about 5 hours trying to figure out why php-fpm 7.2 was sending a timeout to nginx inside a CentOS 7 container. In the end I couldn't figure it out, downgraded to PHP 7.1 and then everything start working fine. I really hate using CentOS for containers since it also requires privileged mode to be able to start services. Hopefully I can move away from using CentOS for containers soon since the base image is also quite fat.
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So I'm learning docker. As I see it, I can make an image that runs code in any number of languages then I can package it into a .deb file that people on a few Linux distros can just install and run. https://blog.codeship.com/using-doc...
If I'm making a non-Gui command line utility, can I not also just pop the image into a .pkg, an .rpm, or an msi? Then my super crazy docker build can run natively in a shell on any machine that supports one of the packages I create? Or am I missing something?1 -
docker is shit. It fills up the disk on its own whim and then crashes the server, and they claim it to be production ready. Stupid piece of software!5
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Holy fucking shit! Almost 5 hours I was trying to make Docker container with PHP 5.4 to work, because I couldnt fucking connect to my fucking localhost DB. After 5 fucking hours of desperation I tried to create DB on my hosting and... IT FUCKING WORKS LIKE CHARM. IF I KNEW SOONER!!!
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Okay... I am more than annoyed. 😵😵😵 I've been trying for days to get 2 small dockerized Spring REST-Services to communicate with each other. Without docker the services work fine with each other. I've tried many tutorials, examples, hints online and so on and none works or does something else. There is so much deprecated stuff or huge tutorials where I have to install 1000 other useless things. I kinda feel like this Microservice Stuff is a myth or I'm just stupid. Even my partner has no clue.18
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Duck! this sloppy whiny winnfsd.
Yay! Let's use state of the art Docker with a VirtualBox VM on Windows10.
Don't get me wrong.
The Docker containers in this VM doing a great job on performance.
But in the very moment a Docker container uses a mounted folder via the windows network filesystem, all hell is breaking loose.
Building a vendor folder using a composer Docker image with 84 Packages takes about 15 seconds when cache has been warmed up.
The same Docker command pointing on a folder mounted to Windows Filesystem with warmed up cache takes about 10 Minutes!@&&@""+&
And what is the duckin' reason for this delay?
Because every transfer of a teeny tiny file has to establish a connection to fat ass Windows OS and has to pass it's glorious "security" layer.
DUCK it!
For real.
I currently working on a shell script which builds the whole vendor folder on a volume on Docker VM.
After completion, the shell script will compress the folder to one file.
This one file will be transferred over this god damned network filesystem.
Finally the script will unpack the compressed vendor folder in it's destination folder.
*sigh*
What year is it?!??3 -
!rant. Doing some great new stuff at work to make our dev team's live easier. Finding out how to use Docker for our automated test setup, that's killing 2 birds with 1 stone.4
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Last weekend I was working on a small project for a friend of mine: a dockerized webapp, plus API backend and DB. I had some problems with the installation on the vps and had to try out different images and never really did a complete setup of my usual dotfiles. Got it running on an Ubuntu distro. Everything great.
It was the first release so I still had to check that every configuration worked ok, like letsencrypt companion container, the reverse proxy and all that stuff, so I decided to clone the whole project on the server tho make the changes there and then commit them from there.
Docker compose, 10 lines of code, change the hosts and password. Boom everything working. Great... Except for the images in the webapp.
WTF? Check the repo, here they are, all ok. I try different build tactics. Nothing. Even building the app on another docker always the same. Checked browser cache, all the correct ports are open. I even though that maybe react was still using some weird websocket I didn't know, but no.
Damn, I spent 5 hours checking why the f*** the server wouldn't make it out.
Then, finally, the realization...
I didn't install the f******* git-lfs plugin and all I was working with were stupid symbolics links! Webpack never even throw an error for any of the stupid images and the browser would only show a corrupted image, when decoding the base64 string.
Literally the solution took 5 minutes.
F*** changes on production, now I do everything on a fully automated CI. -
When you're the only one who likes docker in your team and they're still insisting on using WAMP/XAMPP. Fixing docker bugs and trying to make it work. Push! This is war!2
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First time getting my hands wet with docker. Ended up fully containerizing my company's project. Never been more proud of miself.2
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I wanted to create and use Docker from scratch but I have little time so I'll just use Laradock. Will just study the details of docker as create my project. And while typing this lining in a supermarket cashier I feel the urge to poop damn. Good to thing my condo is just near.
Poop = progressive object oriented programming2 -
Fuck ubuntu 18.04 with their snap format. Yes it's good for things that ubuntu users need, like libreoffice or Chrome.
But GOD SAKE WHY DOCKER ?
21 days ago it was not even possible to modify daemon.json reliably xD4 -
Question about permission in `docker-compose`
So far, I've usually used vagrant for local dev. It was nice, as I was able to specify `wack:wack` as owner of all files. However with docker compose, if I connect with exec and use `/bin/bash` I'm logged in as `root`. When I then run composer, it kind of fucks with the file permissions, as after it all new files are owned by root and thus can't be edited with an ide on the "host" system.
One hack that I found suggested creating an user and a group with same uid as on the host and use that instead of root. This just doesn't sound right to me. Any advice on how to handle this situation?6 -
Then suddenly my boss wants me to handle servers and the environment etc... can anybody suggest me some site tutorials about Docker, Dockerhub, Celery and RabbitMQ?7
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Monday morning
Get to work
Open email
Ci went crazy
Slack is on fire
Some npm modules deprecated approach
Rewrite docker files
Some other npm modules disappeared.
I hate you web technologies, I hate you developers who make releases Friday night.
I hate everything.
Ffs on the weekend just build Ikea fornitures instead of fiddling with my stack!
Sigh.2 -
Been trying to learn Docker when I hit a brick wall. How do I use nginx reverse proxy + letsencrypt with multiple containers? I only managed to do it with a single container. Using docker-compose or stuff like that I guess?6
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Amazon S3 down: Cant pull any docker images >:/ ....but I wanted to update my GitLab instance. So good that I deleted the old container and image. FML
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So, i'm trying to get linkr (a pretty cool short link service) to work in a docker container since 4 hours now to host it on my server. There is no official container because it needs a working database connection and stuff during installation which can only be done via console and (for whatever reason I couldn't find out yet) need to be done while building the container. The problem is, I can't connect it to the database while building the container so there is no database during installation to create tables and stuff and the build will fail. ARGH.
Why the hell would you do this????? Theyre actually saying in their readme there is no dockerfile because the config options are specific to your configuration...?!?!
The thing is entirely written in python, so reading and parsing configfiles on the fly should not really be a problem.
Of course I could ssh into the container and run the installation script but that's not the point.
Docker is not about being lazy.
It's about portability.
Maybe I don't want to bloat my server with your 39579372639 npm dependencies? Or I don't want to install a freakin apache, because I have every other site on nginx and therefore wouldn't work with apache.
AAAAAAAARRRRRRGGHHGGGGG
in the end, I'm probably going to modify the thing to install tables when running the container and giving the first user admin rights instead of prompting to enter credentials for a new admin user.
And yet I didn't even speak python. -
It's quite a challenge to try and get a Docker image build as small as possible. But the worst bloat is coming from having to use CentOS 7 as a base image.5
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Hello, I am preparing a Docker's workshop, it's almost done but I need some help with the close, I wanna show a practical use case of Docker.
Please give me some ideas.5 -
!rant but sometime you need to share some positive vibes.
Found out I could get $50 credit for digital ocean from github because I am a student.
So now I can learn a lot for free, and if I mess something up I can just create a new machine.
So now I am first learning how to work with docker and the communication between containers.
Good to see people want to encourage devs :)2 -
Currently writing a long-ass new issue to the Docker/CLI repository, to tell them that their online documentation for the manifests is absolute garbage. I mean, a documentation is supposed to tell you how to run commands, not something like "Yeah you try it and maybe it'll work. No it's not the good format, you dumb fuck. Nice, bro, but if you check what changed... That's right, nothing changed. At all. For no reason. Keep trying, it's fun!"
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The most annoying thing about hub.docker.com is their search is crappy/buggy. Drives my Blood Pressure through the roof. I'm about to blow a fuse!1
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Never ever mount a btrfs sparse file (-o compression-force) to /var/lib/docker.
- 70% space usage 😀
+ 300% random system freeze 😰 -
So I spent like 2 weeks learning docker and configuring it for one of company’s project. After that, I wanted build and deploy containers to production. Started reading online, freaked out and now I have changed my mind, we don’t really need docker in production, too much issues, too much risk, really, like 70% articles from search results are talking about issues they faced using docker, and that’s fucking a lot, comparing to the gain (which in our case is just easier deployment for small projects).
Oh and did I tell you that we don’t have pipelines in our deployment process? Well, we don’t ...
Though, for development docker is fucking awesome.7 -
Is there any kind of protocol/method where I can use something like docker containers in order to "host" compilers like gcc and use that with vscode to compile and assemble source code?
No I'm not talking about volumes (it's a bit tedious if I want to use it to manage numerous projects)3 -
!rant
Yesterday at 1:20 am, my first docker image build worked.
- I develop my software (a service in a micro-service architecture) in symfony
- I push it to bitbucket, CircleCI pull the code
- builds a new docker image
- Runs phpunit test using docker exec (lxc-exec, their docker exec doesn't work)
- If the test are successful, CircleCI push the image to hub.docker.com.
Took me hours to fix all the bugs and issues with this process. I feel so proud, yet soooooooooo tired fuck sakes.
I'll publish the template for everything,
- the Dockerfile for the perfect symfony2 image IMO (and I'll create a public symfony2 image)
- The circle.yml I used etc.
Give back to the community.
I love my job.5 -
Maintained some old Dockerfile. Confused how `npm install` could possibly work as the working dir of that command was a *subfolder* with *no* `package.json`. Yet it verifyably installed into the correct package on build to the parent folder with the `package.json`. I assumed a grunt or npm script taking care of it, yet found nothing. Digging deeper, I realized: [this is by design](https://github.com/npm/npm/...).
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When your docker project finally runs on Linux containers after two days of debugging because Visual Studio added a \ instead of a / to docker-compose 🙄😅
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I just finished a pretty detailed post about my love hate relationship with Docker and Container Orchestration:
https://penguindreams.org/blog/...
I cover a lot. Has anyone else encountered the same issues? What are some seriously pain points you think I missed? -
Email-server: Installation directly on the server vs docker-containers. Does anyone here have positive/negative experiences with any of them?11
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When got into a problem with docker gradle homebrew and such thing first soloution is using VPN only because i am in iran and US laws don't like iranian to code🤔
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What I like about the docker the most is that it takes less time to start containers, than to stop them.
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Common Docker for Windows! Are you serious? What in heavens name could you do wrong to loose access to your own ducking database?! And as if that's not enough there comes the internet in the form of Google telling me that I'm the only idiot with this problem. Sure sure. Gnarf.5
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Do anyone of you use a npm registry server like verdaccio for caching of packages from npmjs.org?
Today I tried verdaccio within a local docker container.
I successfully connected via npm --registry <registry-url> install
There where no errors, but verdaccio kept delivering packages with 200.
Shouldn't it be 304 since the packages already exist in the storage folder of verdacio?
14 -
So I moved my full-stack in-progress web application to a docker container to ease development, and it's certainly accomplished that. I can simultaneously run a SQL database, node.js, java, and a Linux server all within my Linux operating system. It's like a mini vm. And when I need to deploy I just deploy it directly with Heroku, no configuring a host manually.
In a way I'm happy with this because it makes both development and deployment much easier, but I'm also sad because I'm basically admitting that I don't have the resources to both learn full-stack and be a linux server wiz.
Has IT gotten so big and complex that you have to compromise how much you can learn at a given time? It seems my limit is at learning 2 languages and 2 frameworks at a time. 😵1 -
Fucking AWS Elastic Beanstalk took a week of work to get fucking mounts set up. They invented their own version of docker compose that is missing half the features so I had to work my way from hacking their scripts to include options they don't support, to restarting the whole fucking docker service on every fucking deployment and now the shit finally works. How can most StackOverflow answers just say restart docker, this shit is not ok! I fucking hate sysadmin work. I want to code :(
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Getting started with docker swarm, not sure if I understand everything yet. So many questions to ask..1
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Docker is giving me grief... again. Sigh.
I have a feeling docker hates me, just doesn't want to play nice.2 -
When a reboot kills your Docker service and the recovery script bricks the hardisk, it would be nice to have a not so old backup
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AWS ECS UI wasn't designed for machines or humans.
Created a task/service/cluster with default suggested Roles.
Service task fails to get image from ECR repository using the said permissions suggested in the docs defined in the default roles.
You only had one job. 😠
How not GTD. -
For PHP guys here. Are you using Laradock, Vessel or custom/vanilla docker written from scratch? I'm currently using Laradock.
What are the pros and cons? Thanks! 😀2 -
Me: I want to deploy a simple WCF Service in a Docker container on Windows Server....
Docker Whale: nah bro....
Me: but but but you have been working with Windows for about a year this should be a simple simple task
Docker Whale: here let me your IP address every time so you can't ping locally or guess what I'm going to next. -
Hey guys!
Well, two weeks ago I was hired as backend developer. I am the only one with macbook. The company use docker for development... On Linux, there is no problem. Docker is up in like 5 sec. But on my mac, it takes like two minutes and refresh like 20 sec. Our front end with macs has same problem. Have anyone expirience with docker and mac? ❤
Thanks a lot!4 -
Docker deployment
Wondering how you guys are doing docker deployment (angular, php, whatever) on self hosted servers from a private gitlab instance ?
Also most recent gitlab release seems Very promisssing on this.
There's a lot info on deploying to aws or google but not on this case (at least clear)
Would like to hear from you about your setups1 -
Just bought Intel NUC and installed CentOS on it. Mounted NFS from my NAS. Installed docker, downloaded factorio image and started server. Now I have my own game server lol.1
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I feel stupid about once or twice per day because of samll and obvious mistakes I make.
But maaan I feel dumb as fucking rock when I read the Docker documentation, I don't understand any fucking thing, and as usual, I can't find 2 websites with the same opinion about anything
I JUST WANT TO MAKE MY THING WORK, PLEASE -
Is it just me or others too feel that docker completely nailed it with their naming convention.
Like docker, containers etc are so aptly named by their functionality.1 -
Use alpine, they said. It'll be fun, they said. Spent ages trying to figure out what was wrong with my fresh Docker swarm. I tried everything, then I noticed that nginx was calling some random IPs instead of the web container's. Turns out the alpine image doesn't have a library that would properly resolve the IP of the container. I replaced it with the main nginx image and it's working perfectly 🙄
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I just spent nearly 4 straight hours dealing with iptables and RancherOS. First the system resets got me, then the config format got me, then netmasks, then gateways, then iptables. Now I'm just relieved to have it all working and a bit happy I understand iptables much better.2
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I've been using Docker for almost two years now, I've to say it's a super powerful tool and allow easy environments deploys, but I keep questioning why people use Docker in production? Even in the place I work they do and they can't explain it very well
I mean, you are creating a container that hosts services in a computer that already have services running, being one of these services the Docker daemon, all this shit doesn't add a lot of overhead to the application?
I mean, it's not better to just install python in Ubuntu instead installing Docker in Ubuntu, run the Docker daemon, start a container with other services and now I run python?
Just saying6 -
How many of you use QMK? I'm thinking of a docker-based bootstrap project for it. The benefits of the project are that you don't have to fork the qmk_firmware repo and install the dependencies; this results in a 1-click compile on any OS, and a very clean repo for other to look at and fork.
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2 hours of pain today, just because I forgot that inside the container 127.0.0.1 is not equal to my host IP !! Grrr
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That moment you need to change something near the top of a docker file and now it needs to completely rebuild
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Gah, I just received this Ubuntu 18.04 VM with 8 cores and 8 gigs of ram, and since it'll be a production server both serving public and "private" networks (yes, shout at me, but projects won't be about hosting sensitive information, I wouldn't put all that on one server), and I'm struggling between my options.
Docker, or not docker?
The server's main use is to host our growing blog and install Varnish, which will hog some ram after a while. I use Laradock for my dev projets, it's really easy to develop with it, but I am unsure if it fits a production environment with performance, security and traffic load in mind :(
I read Docker has stability issues (in 2016-2017), and can bring the machine down with it, I don't know if I should just install the software (nginx, apache, percona/mysql/maria) without "containerizing" it and go for it
I'm lost xD7 -
Is there a way to run docker and virtualbox at the same time? (in windows) Because Docker uses hyperv..13
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How can it be a galera cluster with three DB servers (running in docker) is slower than a single docker container with mariadb under the same load?6
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Questions around Openshift:
My company is actually triying to find out if Openshift is a thing out in the developers world. We are currently (finally) investing some money in container architectures. But are quite unsure if Openshift is a real thing out there. So my questions:
For how long are you building Openshift application PODs and why?
Or alternatively: Do you know a good source of up to date surveys around the container world, or do you know who can do good and usable surveys in that kind of area?1 -
• Compiling cool stuff in docker : ✔️
• Forget to mount a volume to get the result of my compilation: ✔️
• Trying to copy the whole thing elsewhere and having a crash of the docker daemon : ✔️
😫1 -
Monolithic (compiled to native executable) 20MB application for internal purposes only (in-house developed hence source is available) is bad/unacceptable but Docker container (based on public image) of 800+ MB is good?! O tempora, o mores!
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Tried setting up a Cordova project using Docker (less dirt when I stop with the project or something)...
All cordova commands exit without error or anything...2 -
Is rkt worth using than docker. I do know the pros for rkt over docker, but on the long run which seems to be better. My manager is worried about the memory consumption. Docker is big obviously when compared. Am I wrong?1
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Why the fzck do you release new features in your engine and change how port-mapping works but don't make your deployment tool compatible? I look at you docker!
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Why the heck does everyone thnk it's a good idea to run docker Containers inside a vm?
Or Containers in general...
This is unneeded redundancy and it kills the performance aspect, which makes containers favorable in comparison to vms...3 -
Spent ages building docker containers for all our projects. All worked great and I released it. So someone added a new dependency that required an Ubuntu package to be installed but forgot to tell me. My colleague said "docker isn't very stable is it" when it didn't run due to said dependency. It's a Linux container ffs, see if you blame Virtualbox under the same circumstances you idiot
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Who could explain what a container is? Like a Docker container, but not necessarily Docker. Google doesn't provide simple yet meaningful answer (or there is something wrong with me today). Any ideas?9
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MySQL docker container randomly just redeployed itself. Because he can.
The worst part is that it pulled the last mysql-percona image (5.7 strict mode by default plus more) and I cant revert it!!! looooool
And you know what its the best thing? is that today is friday!! Best weekend ever 10/10 would repeat again fixing sql's everyday2 -
Django project in a docker container in an ec2 instance of my aws vpc... i did use elastic beanstalk though, but needed to let my media files be uploaded to S3... couldn't figure it out yet...
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Any one running Symfony on a Docker container in production? I currently try to migrate our dev env to a docker compose setup (from a "monolith" vagrant vm). I'm atually not stuck at a Symfony specific thing, but on a, I guess Docker specific one(?), The issue is, I need to read and write with two users to one folder (in my case the /application/var/cache folder). Since I mount my whole code into the docker container (to use an IDE on the local files), I've got a volume (not mounted to the outside world) for that folder. (As far, as good). Now this folder is owned by root and root is also the user I get when I enter the container. When I then run a cli script, that writes to this folder, every thing works (as it's run by root) and the resulting entries in the cache dir are owned by root. Trouble starts when the php fpm process tries to write stuff in there too (as it's run by www-data).
If I add `USER www-data` (or create a new user foobar and add `USER foobar`) the container exits with status 0
So I guess the question is, is anyone running an Symfony app on Docker in Prod, if so how do you solve this? Or another question would be what is the best practice to do this? Sure on dev I could just `chmod 777` the whole folder or run the php-fpm process as root, but if that thing ever goes to prod, I wouldn't sleep very well... -
Disclaimer: I am relatively new to this. Feel free to use a tone you'd otherwise use to explain to a 10yr old.
I am trying to run a rails app on docker. I came across permission errors while I trying to edit some of the files. After a couple of searches, I found out it is because docker, by default, creates files as root. I have been reading for a while now and I can't, for the life of me seem to understand how to implement USER instruction as recommended in the docker documentation.
Here's a link to my dockerfile https://github.com/Melvin1Atieno/....5 -
For what ever reason I can't for the life of me type 'docker' on my machine, it just always comes out as 'dicker' #programmerproblems
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My colleague is trying out docker for the first time. He is installing stuff so that he can add the same steps to gitlab yaml. I will like to see his reaction when he will start the container next time.
Waiting now and hoping that he will save the container. -
Does someone of you have a minimalistic configuration for php micro-framework laravel/lumen or symfony/skeleton with Apache or nginx?
It is somehow pain in the ass to put up a running docker container for this kind of projects :/1 -
First dotnet core and docker project
Keeping is real simple with another "as-a-service" solution 😂
https://github.com/nwestfall/caas -
Does someone know how to set up plugins for airflow?
In particular do you know how I set the PYTHONPATH env var for the docker container to Import my custom airflow plugin? -
Currently doing Drupal in WSL with Docker on the side in windows 10. I'm a sucker for punishment on so many levels
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I am making a personal which is a social network which allows users to edit videos (cutting, changing formats) and post them for others to see.
I am planning to go for
Docker as the infrastructure, but I am just massively confused on where should I host it? Digital Ocean, GCP, Azure, something else??1 -
I was finally able to set up a server with my coworker's help in our work office. After struggling trying to get CoreOS to work, I quit and just went with Ubuntu Server 16.04. It's a SFF PC that we had lying around. The purpose is to run applications in Docker containers for QA, demo, and performance testing. I can say it was truly a productive day...
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If someone can shed some light on this behavior, would be appreciated:
I am running a couple of docker containers with lighttpd on my server (lighttpd is also installed on the host server for reverse proxy). Now whenever I kill lighttpd on my host server it also kills ALL the running lighttpd instances in my docker containers. Isn't docker supposed to be, idk, CONTAINERIZED?2
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