Use UV to install packages much faster

[tugoavenza]

Use UV - An extremely fast Python package and project manager, written in Rust to speed up the installation of dependencies https://github.com/astral-sh/uv

Context

Zappa creates a virtual env with all the dependencies for the app for Lambda handler, and zips it. UV is 10-100x faster than pip. We could see a great speed boost.

[sridhar562345]

Use UV - An extremely fast Python package and project manager, written in Rust to speed up the installation of dependencies https://github.com/astral-sh/uv

Context

Zappa creates a virtual env with all the dependencies for the app for Lambda handler, and zips it. UV is 10-100x faster than pip. We could see a great speed boost.

Zappa doesn't install the packages in virtual env itself, it zips the already installed packages in virtual env. So, I don't see UV has anything to do with Zappa.

So you can use UV to install packages in your virtual env instead of pip.

[audioboxer217]

I can confirm this. I use uv instead of pip now and it works fine.

Steps

1. uv init
   • or setup your 'pyproject.toml' and '.python-version' manually
2. uv add zappa
   • then repeat uv add for any other dependencies
   • add --dev for Dev-only dependencies
3. uv run zappa ... for any zappa commands
   • you could also do source .venv/bin/activate as uv sets up the venv, but it's not really the way uv was intended to run.

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[github-actions]

Hi there! Unfortunately, this Issue was automatically closed as it had not seen any activity in at least 100 days. If the Issue is still relevant to the latest version of Zappa, please open a new Issue.