maven-cd.yml

# Deploying Java with Maven to GitHub Container Registry
# https://docs.github.com/en/actions/use-cases-and-examples/publishing-packages/publishing-docker-images

name: Java CD

on:
    push:
        tags:
            - "v*.*.*-*"

env:
    JAVA_VERSION: 25

jobs:
    test:
        runs-on: ubuntu-latest
        permissions:
            contents: read
        steps:
            - name: Checkout repository
              uses: actions/checkout@v6

            - name: Set up OpenJDK ${{ env.JAVA_VERSION }}
              uses: actions/setup-java@v5.2.0
              with:
                  java-version: ${{ env.JAVA_VERSION }}
                  distribution: "temurin"
                  cache: "maven"

            - name: Compile and verify with Maven
              run: ./mvnw clean verify

    release:
        needs: test
        runs-on: ubuntu-latest
        permissions:
            contents: write
            packages: write

        steps:
            - name: Checkout repository
              uses: actions/checkout@v6
              with:
                  fetch-depth: 0

            - name: Extract and validate tag components
              id: tag
              run: |
                  TAG="${GITHUB_REF#refs/tags/}"
                  echo "Full tag: $TAG"

                  SEMVER=$(echo "$TAG" | sed -E 's/^v([0-9]+\.[0-9]+\.[0-9]+)-.+$/\1/')
                  CLUB=$(echo "$TAG" | sed -E 's/^v[0-9]+\.[0-9]+\.[0-9]+-(.+)$/\1/')

                  VALID_CLUBS="arsenal barcelona chelsea dortmund everton flamengo galatasaray hamburg inter juventus kaiserslautern liverpool manchesterutd napoli olympique psg qpr realmadrid sevilla tottenham union valencia werder xerez youngboys zenit"

                  if ! echo "$SEMVER" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+$'; then
                    echo "❌ Invalid semver: $SEMVER"
                    exit 1
                  fi

                  if ! echo "$VALID_CLUBS" | grep -qw "$CLUB"; then
                    echo "❌ Invalid club name: $CLUB"
                    echo "Valid clubs: $VALID_CLUBS"
                    exit 1
                  fi

                  echo "semver=$SEMVER" >> "$GITHUB_OUTPUT"
                  echo "club=$CLUB" >> "$GITHUB_OUTPUT"
                  echo "✅ Tag: v$SEMVER - $CLUB"

            - name: Log in to GitHub Container Registry
              uses: docker/login-action@v4.1.0
              with:
                  registry: ghcr.io
                  username: ${{ github.actor }}
                  password: ${{ secrets.GITHUB_TOKEN }}

            - name: Set up Docker Buildx
              uses: docker/setup-buildx-action@v4.0.0

            - name: Set image name
              id: image
              run: echo "name=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"

            - name: Build and push Docker image to GitHub Container Registry
              uses: docker/build-push-action@v7.0.0
              with:
                  context: .
                  push: true
                  platforms: linux/amd64,linux/arm64
                  provenance: false
                  cache-from: type=gha
                  cache-to: type=gha,mode=max
                  tags: |
                      ghcr.io/${{ steps.image.outputs.name }}:latest
                      ghcr.io/${{ steps.image.outputs.name }}:${{ steps.tag.outputs.semver }}
                      ghcr.io/${{ steps.image.outputs.name }}:${{ steps.tag.outputs.club }}

            - name: Generate changelog
              id: changelog
              run: |
                  CURRENT_TAG="${GITHUB_REF#refs/tags/}"
                  PREVIOUS_TAG=$(git tag --sort=-version:refname | grep -Fxv "$CURRENT_TAG" | head -n 1)
                  if [ -n "$PREVIOUS_TAG" ]; then
                    CHANGELOG=$(git log "$PREVIOUS_TAG"..HEAD --pretty=format:"- %s" --no-merges)
                  else
                    CHANGELOG=$(git log --pretty=format:"- %s" --no-merges)
                  fi
                  {
                    echo "content<<EOF"
                    echo "$CHANGELOG"
                    echo "EOF"
                  } >> "$GITHUB_OUTPUT"

            - name: Create GitHub Release
              uses: softprops/action-gh-release@v2.6.1
              with:
                  name: "v${{ steps.tag.outputs.semver }} - ${{ steps.tag.outputs.club }} 🏆"
                  body: |
                      ## What's Changed

                      ${{ steps.changelog.outputs.content }}

                      ## Docker

                      ```bash
                      # By semantic version (recommended)
                      docker pull ghcr.io/${{ steps.image.outputs.name }}:${{ steps.tag.outputs.semver }}

                      # By club name
                      docker pull ghcr.io/${{ steps.image.outputs.name }}:${{ steps.tag.outputs.club }}

                      # Latest
                      docker pull ghcr.io/${{ steps.image.outputs.name }}:latest
                      ```

                      ## Quick Start

                      ```bash
                      docker run -p 9000:9000 ghcr.io/${{ steps.image.outputs.name }}:${{ steps.tag.outputs.semver }}
                      ```

                      API available at `http://localhost:9000` · Swagger UI at `http://localhost:9000/swagger/index.html`
                  generate_release_notes: false