docker-swarm-termina/.github/workflows/docker-publish.yml

name: Build and Push to GHCR

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
  pull_request:
    branches:
      - main
  workflow_run:
    workflows: ["Run Tests"]
    types:
      - completed
    branches:
      - main

env:
  REGISTRY: ghcr.io
  IMAGE_NAME_BACKEND: ${{ github.repository }}-backend
  IMAGE_NAME_FRONTEND: ${{ github.repository }}-frontend

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Check test workflow status
        if: github.event_name == 'workflow_run' && github.event.workflow_run.conclusion != 'success'
        run: |
          echo "❌ Test workflow failed. Cancelling build and push."
          exit 1

      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for backend
        id: meta-backend
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_BACKEND }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha

      - name: Log backend build information
        run: |
          echo "=== Building Backend Docker Image ==="
          echo "Context: ./backend"
          echo "Tags to apply:"
          echo "${{ steps.meta-backend.outputs.tags }}" | tr ',' '\n'
          echo ""

      - name: Build and push backend image
        id: build-backend
        uses: docker/build-push-action@v5
        with:
          context: ./backend
          file: ./backend/Dockerfile
          push: true
          tags: ${{ steps.meta-backend.outputs.tags }}
          labels: ${{ steps.meta-backend.outputs.labels }}
          outputs: type=registry,push=true

      - name: Extract metadata for frontend
        id: meta-frontend
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_FRONTEND }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha

      - name: Log frontend build information
        run: |
          echo "=== Building Frontend Docker Image ==="
          echo "Context: ./frontend"
          echo "Tags to apply:"
          echo "${{ steps.meta-frontend.outputs.tags }}" | tr ',' '\n'
          echo "Build args: NEXT_PUBLIC_API_URL=http://backend:5000"
          echo ""

      - name: Build and push frontend image
        id: build-frontend
        uses: docker/build-push-action@v5
        with:
          context: ./frontend
          file: ./frontend/Dockerfile
          push: true
          tags: ${{ steps.meta-frontend.outputs.tags }}
          labels: ${{ steps.meta-frontend.outputs.labels }}
          outputs: type=registry,push=true
          build-args: |
            NEXT_PUBLIC_API_URL=http://backend:5000

      - name: Build summary
        run: |
          echo "=================================="
          echo "  Docker Build & Push Complete"
          echo "=================================="
          echo ""
          echo "✅ Backend Image:"
          echo "   Digest: ${{ steps.build-backend.outputs.digest }}"
          echo "   Tags:"
          echo "${{ steps.meta-backend.outputs.tags }}" | tr ',' '\n' | sed 's/^/     - /'
          echo ""
          echo "✅ Frontend Image:"
          echo "   Digest: ${{ steps.build-frontend.outputs.digest }}"
          echo "   Tags:"
          echo "${{ steps.meta-frontend.outputs.tags }}" | tr ',' '\n' | sed 's/^/     - /'
          echo ""
          echo "📦 Images pushed to: ${{ env.REGISTRY }}"
          echo "=================================="

      - name: Add job summary
        run: |
          echo "## 🐳 Docker Build & Push Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Backend Image" >> $GITHUB_STEP_SUMMARY
          echo "- **Digest:** \`${{ steps.build-backend.outputs.digest }}\`" >> $GITHUB_STEP_SUMMARY
          echo "- **Tags:**" >> $GITHUB_STEP_SUMMARY
          echo "${{ steps.meta-backend.outputs.tags }}" | tr ',' '\n' | sed 's/^/  - `/' | sed 's/$/`/' >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Frontend Image" >> $GITHUB_STEP_SUMMARY
          echo "- **Digest:** \`${{ steps.build-frontend.outputs.digest }}\`" >> $GITHUB_STEP_SUMMARY
          echo "- **Tags:**" >> $GITHUB_STEP_SUMMARY
          echo "${{ steps.meta-frontend.outputs.tags }}" | tr ',' '\n' | sed 's/^/  - `/' | sed 's/$/`/' >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Registry" >> $GITHUB_STEP_SUMMARY
          echo "📦 Images pushed to: \`${{ env.REGISTRY }}\`" >> $GITHUB_STEP_SUMMARY