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this post was submitted on 06 Aug 2023
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A single Docker container is not possible because Lemmy requires multiple different images (postgres, pict-rs, lemmy-ui, lemmy). Supporting two different databases would be too much effort. In the end Lemmy is optimized for large instances with hundreds or thousands of users, not for tiny instances. So more difficult installation is not a major concern.
Why can’t those be bundled? I need 3 containers and another database container just to have an instance. Also, none of those is easy to setup. All of those are messy and annoying and need me to fiddle with upstream files.
Containers should be reusable. None of those is reusable for anything else.
In the long run this is where it will fail. Make it intentionally hard and annoying to setup will lead to people not setting it up.
Edit: Been there, done that, failed. Since then I always try to make my stuff as easy to setup and use as possible.
Its not intentionally hard. If you see a way to simplify it, pull requests are always welcome. But running multiple services in a single docker container is generally a bad idea.
All components that are needed to run a Lemmy instance could be provided as single stack and the containers could be made configurable using environment variables (usernames, passwords, and DB locations). Database and reverse proxy should be handled completely separated from the "Lemmy containers" and the "Lemmy stack". manually editing upstream files before composing the containers should be avoided.
Since I do not use MS GitHub I cannot help with issues, PRs, or anything else there, sorry.
This is what I think about. While those 3 containers contain different programs: are they really different services and not just different components of the same service?