gradle.yml

name: Build Docker Image
on:
  push:
    branches: [dev]

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      packages: write
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          java-version: "21"
          distribution: "adopt"

      - name: Validate Gradle wrapper
        uses: gradle/wrapper-validation-action@e6e38bacfdf1a337459f332974bb2327a31aaf4b

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to GitHub Container Registry
        if: ${{ github.ref == 'refs/heads/dev' }}
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Docker Build-Tag-Push my-app
        run: |
          ./gradlew bootBuildImage
          docker tag gamma:1.0.0-SNAPSHOT ghcr.io/cthit/gamma:latest
          docker push ghcr.io/cthit/gamma:latest
        working-directory: ./app

      - name: Cleanup Gradle Cache

        # Remove some files from the Gradle cache, so they aren't cached by GitHub Actions.
        # Restoring these files from a GitHub Actions cache might cause problems for future builds.
        run: |
          rm -f ~/.gradle/caches/modules-2/modules-2.lock
          rm -f ~/.gradle/caches/modules-2/gc.properties