this post was submitted on 04 Sep 2024

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ELI5 Using python virtual environment in docker container. (programming.dev)

submitted 2 months ago* (last edited 2 months ago) by alexdeathway@programming.dev to c/python@programming.dev

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I read some articles about using a virtual environment in Docker. Their argument are that the purpose of virtualization in Docker is to introduce isolation and limit conflicts with system packages etc.

However, aren't Docker and Python-based images (e.g., python:*) already doing the same thing?

Can someone eli5 this whole thing?

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[–] dwt 3 points 2 months ago

It’s easy to set the path to include the venv in the Dockerfile, that way you never have to activate, either in the run line, nor if you exec into it. Also this makes all your custom entry points super easy to use. Bonus, it’s super easy to use uv to get super fast image builds like that. See this example https://gist.github.com/dwt/6c38a3462487c0a6f71d93a4127d6c73