this post was submitted on 04 Sep 2024
25 points (90.3% liked)

Python

6471 readers
9 users here now

Welcome to the Python community on the programming.dev Lemmy instance!

๐Ÿ“… Events

PastNovember 2023

October 2023

July 2023

August 2023

September 2023

๐Ÿ Python project:
๐Ÿ’“ Python Community:
โœจ Python Ecosystem:
๐ŸŒŒ Fediverse
Communities
Projects
Feeds

founded 2 years ago
MODERATORS
 

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?

you are viewing a single comment's thread
view the rest of the comments
[โ€“] [email protected] 3 points 3 months ago (1 children)

One Docker env variable and one line of code. Not a heavy lift, really. And next time I shell into the container I don't need to remind everyone to activate the venv.

Creating a venv in Docker just for the hell of it is like creating a symlink to something that never changes or moves.

[โ€“] sweng -1 points 3 months ago

How can you be sure it's one line of code? What if there are several codepaths, and venvs are activated in different places? And in any case, even if there is only one conditional needed, that is still one branch more than necessary to test.

Your symlink example does not make sense. There is someting that is changing. In fact, it may even be the opposite: if you need to use file A in s container, and file B otherwise, it may make perfect sense to symlink the correct file to C, so thst your code does not need to care about it.