https://github.com/eht16/python3-docker

A slim Python 3 image for Docker
https://github.com/eht16/python3-docker

docker docker-image python python-3

Last synced: about 3 hours ago
JSON representation

A slim Python 3 image for Docker

• Host: GitHub
• URL: https://github.com/eht16/python3-docker
• Owner: eht16
• License: mit
• Created: 2019-12-08T21:47:51.000Z (almost 5 years ago)
• Default Branch: main
• Last Pushed: 2021-11-16T21:39:06.000Z (almost 3 years ago)
• Last Synced: 2024-04-16T07:04:20.049Z (7 months ago)
• Topics: docker, docker-image, python, python-3
• Language: Dockerfile
• Size: 25.4 KB
• Stars: 9
• Watchers: 1
• Forks: 10
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# Python 3 image for Docker

## About

A slim Python 3 image for Docker.

Currently the resulting image contains Python 3.10, compiled from source and

the `pip` and `wheel` packages are included.

This is heavily inspired from the official Python image at

https://github.com/docker-library/python/blob/master/3.9/buster/slim/Dockerfile

but has a few differences:

  - use multi-stage build in Dockerfile to ease the build step and still get

    a small image

  - build Python without the `ncurses`, `readline` and `tk` modules for image

    size, assuming a non-interactively used Python interpreter does not need

    these modules

  - the Python interpreter is installed to /python

The Dockerfile uses `debian:bullseye-slim` (https://hub.docker.com/_/debian/)

as base but this is configurable at build time using `BASE_IMAGE_NAME`

as build argument.

Tested with `debian:buster-slim`, `debian:bullseye-slim` and `ubuntu:18.04`,

the Dockerfile generally should work with most Debian based base images.

### Motivation

- Be able to specify a custom base image

- Have a Python Docker image as small as possible while still usable for most use cases

## Build

Just build the image:

    docker build --tag python3:latest .

Use a different base image:

    docker build --build-arg BASE_IMAGE_NAME=ubuntu:bionic --tag python3:bionic .

## Usage

By default, the Python interpreter is started when the image is ran:

    docker run --rm -it --name python3 python3:latest

To change this, just overwrite the `CMD` instruction in your Dockerfile.

## License

Licensed under the MIT License.

## Author

Enrico Tröger