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https://github.com/sclorg/s2i-ruby-container

Ruby container images based on Red Hat Software Collections and intended for OpenShift and general usage, that provide a platform for building and running Ruby applications. Users can choose between Red Hat Enterprise Linux, Fedora, and CentOS based images.
https://github.com/sclorg/s2i-ruby-container

centos container docker dockerfile fedora openshift rhel ruby s2i source-to-image

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Ruby container images based on Red Hat Software Collections and intended for OpenShift and general usage, that provide a platform for building and running Ruby applications. Users can choose between Red Hat Enterprise Linux, Fedora, and CentOS based images.

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README 

        
Ruby container images

==================



[![Build and push images to Quay.io registry](https://github.com/sclorg/s2i-ruby-container/actions/workflows/build-and-push.yml/badge.svg)](https://github.com/sclorg/s2i-ruby-container/actions/workflows/build-and-push.yml)



Images available on Quay are:

* Fedora [ruby-30](https://quay.io/repository/fedora/ruby-30)

* Fedora [ruby-31](https://quay.io/repository/fedora/ruby-31)

* Fedora [ruby-33](https://quay.io/repository/fedora/ruby-33)

* CentOS Stream 10 [ruby-33-c10s](https://quay.io/repository/sclorg/ruby-33-c10s)



This repository contains the source for building various versions of

the Ruby application as a reproducible container image using

[source-to-image](https://github.com/openshift/source-to-image).

Users can choose between RHEL and CentOS based builder images.

The resulting image can be run using [podman](https://github.com/containers/libpod).



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

official [OpenShift Documentation](https://docs.okd.io/latest/using_images/s2i_images/ruby.html).



Versions

---------------

Ruby versions currently provided are:

* [Ruby 2.5](2.5/README.md)

* [Ruby 3.0](3.0/README.md)

* [Ruby 3.1](3.1/README.md)

* [Ruby 3.3](3.3/README.md)



RHEL versions currently supported are:

* RHEL8

* RHEL9



CentOS versions currently supported are:

* CentOS Stream 9

* CentOS Stream 10



A Ruby 1.9 image can be built from [this third party repository](https://github.com/getupcloud/s2i-ruby/).

It is not maintained by Red Hat nor is part of the OpenShift project.



Installation

---------------

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

*  **RHEL based image**



    These images are available in the

    [Red Hat Container Catalog](https://access.redhat.com/containers/#/registry.access.redhat.com/rhel9/ruby-30).

    To download it run:



    ```

    $ podman pull registry.access.redhat.com/rhel9/ruby-30

    ```



    To build a RHEL based Ruby image, you need to run the build on a properly

    subscribed RHEL machine.



    ```

    $ git clone --recursive https://github.com/sclorg/s2i-ruby-container.git

    $ cd s2i-ruby-container

    $ make build TARGET=rhel9 VERSIONS=3.0

    ```



*  **CentOS Stream based image**



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



    ```

    $ podman pull quay.io/sclorg/ruby-30-c9s

    ```



    To build a Ruby image from scratch run:



    ```

    $ git clone --recursive https://github.com/sclorg/s2i-ruby-container.git

    $ cd s2i-ruby-container

    $ make build TARGET=c9s VERSIONS=3.0

    ```



Note: while the installation steps are calling `podman`, you can replace any such calls by `docker` with the same arguments.



**Notice: By omitting the `VERSIONS` parameter, the build/test action will be performed

on all provided versions of Ruby.**



Usage

---------------------------------



For information about usage of Dockerfile for Ruby 2.5,

see [usage documentation](2.5/README.md).



For information about usage of Dockerfile for Ruby 3.0,

see [usage documentation](3.0/README.md).



For information about usage of Dockerfile for Ruby 3.1,

see [usage documentation](3.1/README.md).



For information about usage of Dockerfile for Ruby 3.3,

see [usage documentation](3.3/README.md).



Test

---------------------

This repository also provides a [S2I](https://github.com/openshift/source-to-image) test framework,

which launches tests to check functionality of a simple Ruby application built on top of the s2i-ruby image.



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



*  **RHEL based image**



    To test a RHEL9-based Ruby image, you need to run the test on a properly

    subscribed RHEL machine.



    ```

    $ cd s2i-ruby-container

    $ make test TARGET=rhel9 VERSIONS=3.0

    ```



*  **CentOS Stream based image**



    ```

    $ cd s2i-ruby-container

    $ make test TARGET=c9s VERSIONS=3.0

    ```



**Notice: By omitting the `VERSIONS` parameter, the build/test action will be performed

on all the provided versions of Ruby.**



Repository organization

------------------------

* **``**



    Dockerfile and scripts to build container images from.



* **`common/`**



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

    It is a github sub-module pointing to https://github.com/sclorg/container-common-scripts.



Image name structure

------------------------



1. Platform name (lowercase) - ruby

2. Platform version(without dots) - 30

3. Base builder image - c9s/rhel8



Examples: `ruby-30-c9s`, `ruby-30`



Repository organization

------------------------

* **``**



    * **Dockerfile.c9s**



        CentOS Stream based Dockerfile.c9s.



    * **Dockerfile.rhel8**



        RHEL based Dockerfile. In order to perform build or test actions on this

        Dockerfile you need to run the action on a properly subscribed RHEL machine.



    * **`s2i/bin/`**



        This folder contains scripts that are run by [S2I](https://github.com/openshift/source-to-image):



        *   **assemble**



            Used to install the sources into the location where the application

            will be run and prepare the application for deployment (eg. installing

            modules using bundler, 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.



    * **`root/`**



        This folder contains scripts that are put into the container image.



    * **`test/`**



        This folder contains a [S2I](https://github.com/openshift/source-to-image)

        test framework with a simple Rack server.



        * **`puma-test-app/`**



            Simple Puma web server used for testing purposes by the [S2I](https://github.com/openshift/source-to-image) test framework.



        * **`rack-test-app/`**



            Simple Rack web server used for testing purposes by the [S2I](https://github.com/openshift/source-to-image) test framework.



        * **run**



            Script that runs the [S2I](https://github.com/openshift/source-to-image) test framework.