this post was submitted on 07 Sep 2023
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43
How do YOU create your Docker images? (lemmy.ml)
submitted 1 year ago by [email protected] to c/[email protected]
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Currently I’m planning to dockerize some web applications but I didn’t find a reasonably easy way do create the images to be hosted in my repository so I can pull them on my server.

What I currently have is:

  1. A local computer with a directory where the application that I want to dockerize is located
  2. A “docker server” running Portainer without shell/ssh access
  3. A place where I can upload/host the Docker images and where I can pull the images from on the “Docker server”
  4. Basic knowledge on how to write the needed Dockerfile

What I now need is a sane way to build the images WITHOUT setting up a fully featured Docker environment on the local computer.

Ideally something where I can build the images and upload them but without that something “littering Docker-related files all over my system”.

Something like a VM that resets on every start maybe? So … build the image, upload to repository, close the terminal window, and forget that anything ever happened.

What is YOUR solution to create and upload Docker images in a clean and sane way?

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[–] [email protected] 7 points 1 year ago (9 children)

I use Gitea and a Runner to build Docker images from the projects in the git repo. Since I'm lazy and only have one machine, I just run the runner on the target machine and mount the docker socket.

BTW: If you manage to "litter your system with docker related files" you fundamentally mis-used Docker. That's exactly what Docker is supposed to prevent.

[–] [email protected] 6 points 1 year ago

Self hosting your own CI/CD is the key for OP. Littering is solved too because litter is only a problem on long running servers, which is an anti-pattern in a CI/CD environment.

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