release.yml

name: build image on release

on:
  release:
    types:
      - published

jobs:
  build-image:
    runs-on: ubuntu-latest
    env:
      RELEASE_NAME: ${{ github.ref_name}}

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Set up JDK
        uses: actions/setup-java@v2
        with:
          java-version: '11'
          distribution: 'temurin'

      - name: Grant execute permission for Gradlew
        run: chmod +x gradlew

      - name: check release name matches version pattern
        run: |
          PATTERN="^([0-9]+\.[0-9]+\.[0-9]+)(-[A-Za-z]+(-[0-9]+))?$"
  
          if [[ $RELEASE_NAME =~ $PATTERN ]]; then
            echo "The RELEASE_NAME '$RELEASE_NAME' is valid."
          else
            echo "The RELEASE_NAME '$RELEASE_NAME' is invalid."
            exit 1
          fi

      - name: Build, run tests and publish
        env:
          GITHUB_ACTOR: ${{ secrets.GITHUB_ACTOR }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: ./gradlew -Pversion=$RELEASE_NAME publish