R Docker images

This repository contains the source for building various versions of the R application as a reproducible Docker image using source-to-image.

For more information about contributing, see the Contribution Guidelines. For more information about concepts used in these docker images, see the Landing page.

Versions

R versions currently provided are:

CentOS versions currently supported are:

CentOS7

Installation

To build a R image, read the following instructions:

CentOS based image

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

$ docker pull rimolive/r-36-centos7

To build a R image from scratch run:

$ git clone https://github.com/rimolive/r-s2i-openshift.git
$ cd r-s2i-openshift
$ make build

Usage

For information about usage of Dockerfile for R 3.4.3, see usage documentation.

For information about usage of Dockerfile for R 3.5.0, see usage documentation.

For information about usage of Dockerfile for R 3.6.0, 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 CentOS image.

CentOS based image
```
$ cd r-s2i-openshift
$ make test
```

Repository organization

<r-version>
- Dockerfile
  
  CentOS based Dockerfile.
- s2i/bin/
  
  This folder contains scripts that are run by S2I:
  - assemble
    
    Used to install the sources into the location where the application will be run and prepare the application for deployment (eg. installing dependencies, etc.)
  - run
    
    This script is responsible for running the application by using the application web server.
  - usage*
    
    This script prints the usage of this image.
- test/
  
  This folder contains a S2I test framework with a simple server.
  - setup-test-app/
    
    Simple Gunicorn application used for testing purposes by the S2I test framework.
  - standalone-test-app/
    
    Simple standalone application used for testing purposes by the S2I test framework.
  - run
    
    Script that runs the S2I test framework.

rimolive / r-s2i-openshift