release.yml

name: Release Quesma
# Builds Quesma Docker image using specific git tag
# and creates a GitHub release draft

on:
  workflow_dispatch:
    inputs:
      VERSION:
        description: 'Version number - needs to be a valid semver, relevant tag should be present in the repository'
        required: true

permissions:
  contents: write  # To be able to create a release via GitHub API

jobs:
  build-quesma-docker-image: # based on nightly-docker-build-and-push.yml, but heavily modified
    strategy:
      matrix:
        module: [ "quesma" ]
    runs-on: ubuntu-latest
    steps:
      - name: Validate input - needs to match semver
        run: |
            echo "Validating input: ${{ github.event.inputs.VERSION }}"
            if ! echo "${{ github.event.inputs.VERSION }}" | grep -qE '^([0-9]+)\.([0-9]+)\.([0-9]+)(-([0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*))?(\+([0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*))?$'; then
              echo "ERROR: VERSION does not conform to SemVer (Semantic Versioning)"
              exit 1
            fi
        shell: bash

      - name: Checkout the correct revision
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.VERSION }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          cache-dependency-path: ${{ matrix.module }}/go.sum
          go-version: '1.23'

      - name: Login to GCR (only for build running on `main` branch)
        uses: docker/login-action@v3
        with:
          registry: europe-docker.pkg.dev
          username: _json_key
          password: ${{ secrets.GCR_SERVICE_ACCOUNT_PRIVATE_KEY }}

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USER }}
          password: ${{ secrets.DOCKER_PAT }}

      - name: Set the build date
        run: echo QUESMA_BUILD_DATE=$(git --no-pager log -1 --date=format:'%Y-%m-%d' --format="%ad")  >> $GITHUB_ENV

      - name: Build and export
        uses: docker/build-push-action@v6
        with:
          context: ${{ matrix.module }}/.
          tags: |
            europe-docker.pkg.dev/metal-figure-407109/quesma-nightly/quesma:${{ github.event.inputs.VERSION }}
            europe-docker.pkg.dev/metal-figure-407109/quesma-nightly/quesma:latest
            quesma/quesma:${{ github.event.inputs.VERSION }}
            quesma/quesma:latest
          push: true
          build-args: |
            QUESMA_BUILD_SHA=${{ github.sha }}
            QUESMA_VERSION=${{ github.event.inputs.VERSION }}
            QUESMA_BUILD_DATE=${{ env.QUESMA_BUILD_DATE }}
          platforms: linux/amd64,linux/arm64
        env:
          DOCKER_BUILD_SUMMARY: false

      - name: Create GitHub release (draft)
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # Provided by GitHub Actions, doesn't exist in repo secrets
        with:
          tag_name: ${{ github.event.inputs.VERSION }}
          release_name: ${{ github.event.inputs.VERSION }}
          body: |
            ### Quesma ${{ github.event.inputs.VERSION }}
            
            Quesma version `${{ github.event.inputs.VERSION }}` has been released! :confetti_ball: 
  
            Check it out at https://hub.docker.com/r/quesma/quesma! You can get the Docker image with:
            ```bash
            docker pull quesma/quesma:${{ github.event.inputs.VERSION }}
            ```

            All tags URL: https://hub.docker.com/r/quesma/quesma/tags
          draft: true
          prerelease: false