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README.md

Python Docker images

This repository contains the source for building various versions of the Python application as a reproducible Docker image using source-to-image. Users can choose between RHEL and CentOS based builder images. The resulting image can be run using Docker.

For more information about using these images with OpenShift, please see the official OpenShift Documentation.

Versions

Python versions currently provided are:

  • python-2.7
  • python-3.4
  • python-3.5

RHEL versions currently supported are:

  • RHEL7

CentOS versions currently supported are:

  • CentOS7

Installation

To build a Python image, choose either the CentOS or RHEL based image:

  • RHEL based image

    To build a RHEL based Python image, you need to run the build on a properly subscribed RHEL machine.

    $ git clone https://github.com/sclorg/s2i-python-container.git
    $ cd s2i-python-container
    $ make build TARGET=rhel7 VERSION=3.5
    
  • CentOS based image

    This image is available on DockerHub. To download it run:

    $ docker pull centos/python-35-centos7
    

    To build a Python image from scratch run:

    $ git clone https://github.com/sclorg/s2i-python-container.git
    $ cd s2i-python-container
    $ make build TARGET=centos7 VERSION=3.5
    

Notice: By omitting the VERSION parameter, the build/test action will be performed on all provided versions of Python.

Usage

For information about usage of Dockerfile for Python 2.7, see usage documentation.

For information about usage of Dockerfile for Python 3.4, see usage documentation.

For information about usage of Dockerfile for Python 3.5, see usage documentation.

Test

This repository also provides a S2I test framework, which launches tests to check functionality of a simple Python application built on top of the s2i-python-container image.

Users can choose between testing a Python test application based on a RHEL or CentOS image.

  • RHEL based image

    To test a RHEL7-based Python image, you need to run the test on a properly subscribed RHEL machine.

    $ cd s2i-python-container
    $ make test TARGET=rhel7 VERSION=3.5
    
  • CentOS based image

    $ cd s2i-python-container
    $ make test TARGET=centos7 VERSION=3.5
    

Notice: By omitting the VERSION parameter, the build/test action will be performed on all provided versions of Python.

Repository organization

  • <python-version>

    Dockerfile and scripts to build container images from.

  • hack/

    Folder containing scripts which are responsible for build and test actions performed by the Makefile.

Image name structure

  1. Platform name (lowercase) - python
  2. Platform version(without dots) - 35
  3. Base builder image - centos7/rhel7

Examples: python-35-centos7, python-35-rhel7