build-and-publish.yaml

name: Build the ruby gem in a container and publish it on Github Package Repository
on:
  pull_request:
  release:
    types:
      - publish

jobs:
  build-ruby-gem:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout project code
        uses: actions/checkout@v4

      - name: Setup Docker builder
        uses: docker/setup-buildx-action@v3

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and publish container on LinuxFr.org Github Organization
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./deployment/Containerfile
          target: build
          tags: |
            linuxfrorg/board-sse-linuxfr.org:${{ github.sha }}
            linuxfrorg/board-sse-linuxfr.org:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Publish gem to Github Package Repository
        uses: addnab/docker-run-action@v3
        env:
          GITHUB_EVENT_NAME: ${{ github.event_name }}
          GEM_HOST_API_KEY: "Bearer ${{secrets.GITHUB_TOKEN}}"
          OWNER: ${{ github.repository_owner }}
        with:
          image: linuxfrorg/board-sse-linuxfr.org:${{ github.sha }}
          options: >-
            -e OWNER
            -e GEM_HOST_API_KEY
            -e GITHUB_EVENT_NAME
          run: |
            set -euxo pipefail
            IFS=$'\n\t'

            if [ "${GITHUB_EVENT_NAME}" = 'release' ]
            then
              echo "Start publish a new release"
            else
              echo "Skip publish step, because we are not publishing a release"
              exit 0
            fi

            mkdir -p "${HOME}/.gem"
            touch "${HOME}/.gem/credentials"
            chmod 0600 "${HOME}/.gem/credentials"
            printf -- "---\n:github: ${GEM_HOST_API_KEY}\n" > "${HOME}/.gem/credentials"
            gem push --KEY github --host "https://rubygems.pkg.github.com/${OWNER}" *.gem