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  1. Data Engineering
  2. Docker

The best Docker base image for Python

PreviousOptimize the Docker Image SizeNextGoogle BigQuery

Last updated 3 years ago

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Optimized size

The official Docker Python image in its slim variantā€”e.g. python:3.9-slim-busterā€”is a good base image for most use cases. itā€™s 41MB to download, 114MB when uncompressed to disk, it gives you the latest Python releases, itā€™s easy to use and itā€™s got all the benefits of Debian Buster.

Optimized performance

If you care about performance, youā€™ll want to use ubuntu:20.04. Having , it turns out that switching to Ubuntu 20.04 can give you a 20% performance boost. As such, if Python performance matters to you, I would recommend using the ubuntu:20.04 image. Itā€™s a bit more annoying to set up, and for some reason gets updates less often, but it will be faster.

Ref:

šŸ³
run some benchmarks comparing multiple Python builds
https://pythonspeed.com/articles/base-image-python-docker-images/