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| name: B&P Dynamic Docker Images | |
| on: | |
| push: | |
| branches: | |
| - main | |
| paths: | |
| - ".github/workflows/dynamic-build.yml" | |
| - "deployment/images/**" | |
| pull_request: | |
| branches: | |
| - main | |
| paths: | |
| - ".github/workflows/dynamic-build.yml" | |
| - "deployment/images/**" | |
| jobs: | |
| detect_changes: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| matrix: ${{ steps.set-matrix.outputs.matrix }} | |
| steps: | |
| - name: Check out the repository | |
| uses: actions/checkout@v3 | |
| with: | |
| fetch-depth: 0 # Fetch all history for comparing changes | |
| - name: Get changed files | |
| id: changed-files | |
| uses: tj-actions/changed-files@v40 | |
| with: | |
| files: deployment/images/** | |
| - name: Display all changed files | |
| run: | | |
| echo "🔍 Changed files in this push/PR:" | |
| for file in ${{ steps.changed-files.outputs.all_changed_files }}; do | |
| echo " → $file" | |
| done | |
| - name: Set up build matrix | |
| id: set-matrix | |
| run: | | |
| cd deployment/images | |
| echo "📁 Scanning directory: $(pwd)" | |
| # Initialize an empty array for the matrix | |
| MATRIX="[" | |
| SEPARATOR="" | |
| # Find and display all Dockerfiles first | |
| echo "🐳 Found Dockerfiles:" | |
| find . -type f -name "Dockerfile.*" | while read -r dockerfile; do | |
| echo " → $dockerfile" | |
| done | |
| # Process each Dockerfile | |
| for dockerfile in $(find . -type f -name "Dockerfile.*"); do | |
| image_name=$(echo $dockerfile | sed 's/.*Dockerfile\.//') | |
| context_dir=$(dirname $dockerfile) | |
| echo "⚡ Processing $dockerfile" | |
| echo " • Image name: $image_name" | |
| echo " • Context directory: $context_dir" | |
| # Check if Dockerfile or any files in its context directory changed | |
| CHANGED=false | |
| echo " • Checking for changes in context..." | |
| for changed_file in ${{ steps.changed-files.outputs.all_changed_files }}; do | |
| if [[ $changed_file == deployment/images/$context_dir/* ]] || [[ $changed_file == $dockerfile ]]; then | |
| CHANGED=true | |
| echo " ✓ Found change in: $changed_file" | |
| break | |
| fi | |
| done | |
| # If changed, add to matrix | |
| if [ "$CHANGED" = true ]; then | |
| echo " ✅ Changes detected - adding to build matrix" | |
| MATRIX="${MATRIX}${SEPARATOR}{\"image\": \"${image_name}\", \"dockerfile\": \"${dockerfile}\", \"context\": \"${context_dir}\"}" | |
| SEPARATOR="," | |
| else | |
| echo " ⏭️ No changes detected - skipping" | |
| fi | |
| done | |
| MATRIX="${MATRIX}]" | |
| # Display final matrix | |
| echo "📊 Final build matrix:" | |
| echo "$MATRIX" | jq '.' | |
| # If matrix is empty (just []), set to empty list to skip builds | |
| if [ "$MATRIX" = "[]" ]; then | |
| echo "⚠️ No changes detected in any Docker contexts - skipping builds" | |
| echo "matrix=[]" >> $GITHUB_OUTPUT | |
| else | |
| echo "🚀 Changes detected - proceeding with builds" | |
| echo "matrix=$MATRIX" >> $GITHUB_OUTPUT | |
| fi | |
| build_and_push: | |
| needs: detect_changes | |
| if: ${{ needs.detect_changes.outputs.matrix != '[]' }} | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| packages: write | |
| strategy: | |
| matrix: | |
| include: ${{ fromJson(needs.detect_changes.outputs.matrix) }} | |
| steps: | |
| - name: Check out the repository | |
| uses: actions/checkout@v3 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v2 | |
| - name: Log in to GitHub Container Registry | |
| uses: docker/login-action@v2 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Define lowercase repository owner | |
| id: repo | |
| run: | | |
| echo "Converting ${{ github.repository_owner }} to lowercase..." | |
| echo "REPO_OWNER_LC=$(echo ${{ github.repository_owner }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV | |
| - name: Display build information | |
| run: | | |
| echo "🏗️ Building image: ${{ matrix.image }}" | |
| echo " • Dockerfile: ${{ matrix.dockerfile }}" | |
| echo " • Context: ${{ matrix.context }}" | |
| echo " • Full image name: ghcr.io/${{ env.REPO_OWNER_LC }}/${{ matrix.image }}:latest" | |
| - name: Build and push Docker image | |
| uses: docker/build-push-action@v4 | |
| with: | |
| context: "./deployment/images/${{ matrix.context }}" | |
| file: "./deployment/images/${{ matrix.dockerfile }}" | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_OWNER_LC }}/${{ matrix.image }}:latest | |
| - name: Build status | |
| run: | | |
| echo "✅ Successfully built and pushed: ghcr.io/${{ env.REPO_OWNER_LC }}/${{ matrix.image }}:latest" |