1. How to use Docker?

1.1. Set up of simple CI/CD

1. Log in to gitlab.eufus.psnc.pl
2. On the top bar, select Menu > Projects and find your project
3. Press "+" button and select New File
   
4. File must be in root of your repository and be called gitlab-ci.yml

5. Prepare content for CI / CD purposes - you can use simple example below as a template

   Executing script on Gateway is a little bit different than using Docker image. Please investigate carefully before_script section in example

   .gitlab-ci.yml

   stages:
     - Test Docker
   
   Execution inside Docker container:
     stage: Test Docker
     tags:
       - Docker
     image: 'gitlab.eufus.psnc.pl:5050/g2michal/imas-based-docker/ual-fc2k'
     before_script:
       - module load IMAS
       - imasdb test
       - tar -xf beaver-data/data/input/input.tar.gz -C $HOME/public/imasdb/test/3/0
     script:
       - make
       - ./bin/main

   The ual-fc2k is a private repository. You have to request access in order to use Docker image

6. Complete each section. Remember that each project has different requirements, so the commands must be adapted to your code.
   
   1. image - allows to specify a custom Docker image and a list of services that can be used for time of the build

   2. tags - The tag indicates whether the task is to be performed by HPC or Docker.
      Use Docker in this example. Using HPC is described here 

   3. before_script - is used to define the command that should be run before all builds, including deploy builds
   4. script - defines a shell script which is executed by Runner
   5. after_script - is used to define the command that will be run after for builds
7. At the end press Commit changes
   

1.2. How to check my CI/CD tasks?

Please visit this page