build-and-push.yml

name: Build and Push Docker Images

on:
  push:
    # branches:
    #   - main
    tags:
      - "v*"
  # pull_request:
  #   branches:
  #     - main

env:
  DOCKERHUB_USERNAME: charmy1220
  DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
  REGISTRY: docker.io

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    timeout-minutes: 60
    strategy:
      matrix:
        service:
          - name: backend
            dockerfile: ./backend/Dockerfile
            context: ./backend
            image: lmeterx-be
          - name: st_engine
            dockerfile: ./st_engine/Dockerfile
            context: ./st_engine
            image: lmeterx-eng
          - name: frontend
            dockerfile: ./frontend/Dockerfile
            context: ./frontend
            image: lmeterx-fe
          - name: mysql
            dockerfile: ./mysql/Dockerfile
            context: .
            image: lmeterx-mysql

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ env.DOCKERHUB_USERNAME }}
          password: ${{ env.DOCKERHUB_TOKEN }}

      - name: Extract tag name
        id: extract_tag
        run: |
          TAG_NAME=${GITHUB_REF#refs/tags/}
          echo "tag_name=$TAG_NAME" >> $GITHUB_OUTPUT
          echo "Extracted tag: $TAG_NAME"

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        timeout-minutes: 30
        with:
          context: ${{ matrix.service.context }}
          file: ${{ matrix.service.dockerfile }}
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.DOCKERHUB_USERNAME }}/${{ matrix.service.image }}:${{ steps.extract_tag.outputs.tag_name }}
            ${{ env.REGISTRY }}/${{ env.DOCKERHUB_USERNAME }}/${{ matrix.service.image }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64
          provenance: false
          sbom: false

  create-release:
    needs: build-and-push
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: write
      discussions: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Extract tag name
        id: extract_tag
        run: |
          TAG_NAME=${GITHUB_REF#refs/tags/}
          echo "tag_name=$TAG_NAME" >> $GITHUB_OUTPUT
          echo "Current tag: $TAG_NAME"

      - name: Generate changelog
        id: changelog
        run: |
          CURRENT_TAG=${{ steps.extract_tag.outputs.tag_name }}
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 HEAD~1 2>/dev/null || echo "")

          echo "## 🚀 Release $CURRENT_TAG" > CHANGELOG.md
          echo "" >> CHANGELOG.md
          echo "### 📦 Docker Images" >> CHANGELOG.md
          echo "- \`${{ env.DOCKERHUB_USERNAME }}/lmeterx-be:$CURRENT_TAG\`" >> CHANGELOG.md
          echo "- \`${{ env.DOCKERHUB_USERNAME }}/lmeterx-eng:$CURRENT_TAG\`" >> CHANGELOG.md
          echo "- \`${{ env.DOCKERHUB_USERNAME }}/lmeterx-fe:$CURRENT_TAG\`" >> CHANGELOG.md
          echo "- \`${{ env.DOCKERHUB_USERNAME }}/lmeterx-mysql:$CURRENT_TAG\`" >> CHANGELOG.md
          echo "- \`${{ env.DOCKERHUB_USERNAME }}/lmeterx-be:latest\`" >> CHANGELOG.md
          echo "- \`${{ env.DOCKERHUB_USERNAME }}/lmeterx-eng:latest\`" >> CHANGELOG.md
          echo "- \`${{ env.DOCKERHUB_USERNAME }}/lmeterx-fe:latest\`" >> CHANGELOG.md
          echo "- \`${{ env.DOCKERHUB_USERNAME }}/lmeterx-mysql:latest\`" >> CHANGELOG.md
          echo "" >> CHANGELOG.md

          if [ -n "$PREVIOUS_TAG" ]; then
            echo "### 📝 Changes since $PREVIOUS_TAG" >> CHANGELOG.md
            git log --pretty=format:"- %s (%h)" $PREVIOUS_TAG..$CURRENT_TAG >> CHANGELOG.md
          else
            echo "### 📝 Initial Release" >> CHANGELOG.md
            echo "This is the initial release of LMeterX." >> CHANGELOG.md
          fi

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ steps.extract_tag.outputs.tag_name }}
          name: Release ${{ steps.extract_tag.outputs.tag_name }}
          body_path: CHANGELOG.md
          draft: false
          prerelease: false
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  notify:
    needs: [build-and-push, create-release]
    runs-on: ubuntu-latest
    if: always()

    steps:
      - name: Notify build status
        run: |
          if [ "${{ needs.build-and-push.result }}" == "success" ]; then
            echo "✅ Docker images built and pushed successfully!"
            echo "✅ Both versioned and latest tags have been updated!"
          else
            echo "❌ Docker image build failed!"
            exit 1
          fi

          if [ "${{ needs.create-release.result }}" == "success" ] || [ "${{ needs.create-release.result }}" == "skipped" ]; then
            echo "✅ Release process completed successfully!"
          else
            echo "❌ Release process failed!"
          fi