Workflow file for this run
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| name: Build and Push Multi-Arch Docker Images | |
| on: | |
| push: | |
| branches: [ main ] | |
| paths-ignore: | |
| - '**.md' | |
| - 'docs/**' | |
| release: | |
| types: [ published ] | |
| env: | |
| DOCKER_TAG: ${{ github.ref_type == 'tag' && github.ref_name || 'latest' }} | |
| jobs: | |
| detect-changes: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| services: ${{ steps.set-services.outputs.services }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - id: set-services | |
| run: | | |
| set -e | |
| SERVICES=() | |
| BASE_REF="${{ github.event.before }}" | |
| if [ -z "$BASE_REF" ]; then | |
| BASE_REF="$(git rev-parse HEAD~1)" | |
| fi | |
| CHANGED=$(git diff --name-only "$BASE_REF" HEAD) | |
| echo "Changed files:" | |
| echo "$CHANGED" | |
| declare -A MAP=( | |
| ["plc"]="plc/" | |
| ["router"]="router/" | |
| ["workstation"]="workstation/" | |
| ["simulation"]="simulation/" | |
| ["scadalts"]="scadalts/" | |
| ["attacker"]="attacker/" | |
| ["caldera"]="caldera/" | |
| ) | |
| # rebuild everything on release | |
| if [ "${{ github.event_name }}" = "release" ]; then | |
| SERVICES=("${!MAP[@]}") | |
| else | |
| for SERVICE in "${!MAP[@]}"; do | |
| if echo "$CHANGED" | grep -q "^${MAP[$SERVICE]}"; then | |
| SERVICES+=("$SERVICE") | |
| fi | |
| done | |
| # If shared files changed, rebuild everything | |
| if echo "$CHANGED" | grep -Eq "^(docker-compose.yml|\.github/)"; then | |
| SERVICES=("${!MAP[@]}") | |
| fi | |
| fi | |
| echo "services=$(printf '%s\n' "${SERVICES[@]}" | jq -R . | jq -cs .)" >> "$GITHUB_OUTPUT" | |
| # ================================================================ | |
| # Build AMD64 images | |
| # ================================================================ | |
| build-amd64: | |
| needs: detect-changes | |
| if: needs.detect-changes.outputs.services != '[]' | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| lfs: true | |
| - uses: docker/setup-buildx-action@v3 | |
| - uses: docker/login-action@v3 | |
| with: | |
| username: ${{ secrets.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_TOKEN }} | |
| - name: Build and push amd64 images | |
| run: | | |
| SERVICES=$(echo '${{ needs.detect-changes.outputs.services }}' | jq -r '.[]') | |
| set -euo pipefail | |
| for SERVICE in $SERVICES; do | |
| if [ ! -d "./${SERVICE}" ]; then | |
| echo "⚠️ Skipping ${SERVICE}: directory does not exist" | |
| continue | |
| fi | |
| IMAGE="${{ secrets.DOCKERHUB_USERNAME }}/grfics-${SERVICE}" | |
| echo "🚀 Building ${IMAGE}:${DOCKER_TAG} (amd64)" | |
| docker buildx build \ | |
| --platform linux/amd64 \ | |
| --tag "${IMAGE}:amd64" \ | |
| --push \ | |
| --cache-from type=gha \ | |
| --cache-to type=gha,mode=max \ | |
| "./${SERVICE}" | |
| echo "🧹 Cleaning local build cache to free space..." | |
| docker builder prune -af || true | |
| docker system prune -af || true | |
| done | |
| # ================================================================ | |
| # Build ARM64 images | |
| # ================================================================ | |
| build-arm64: | |
| needs: detect-changes | |
| if: needs.detect-changes.outputs.services != '[]' | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| lfs: true | |
| - uses: docker/setup-qemu-action@v3 # enables ARM emulation | |
| - uses: docker/setup-buildx-action@v3 | |
| - uses: docker/login-action@v3 | |
| with: | |
| username: ${{ secrets.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_TOKEN }} | |
| - name: Build and push arm64 images | |
| run: | | |
| SERVICES=$(echo '${{ needs.detect-changes.outputs.services }}' | jq -r '.[]') | |
| set -euo pipefail | |
| for SERVICE in $SERVICES; do | |
| if [ ! -d "./${SERVICE}" ]; then | |
| echo "⚠️ Skipping ${SERVICE}: directory does not exist" | |
| continue | |
| fi | |
| IMAGE="${{ secrets.DOCKERHUB_USERNAME }}/grfics-${SERVICE}" | |
| echo "🚀 Building ${IMAGE}:${DOCKER_TAG} (arm64)" | |
| docker buildx build \ | |
| --platform linux/arm64 \ | |
| --tag "${IMAGE}:arm64" \ | |
| --push \ | |
| --cache-from type=gha \ | |
| --cache-to type=gha,mode=max \ | |
| "./${SERVICE}" | |
| echo "🧹 Cleaning local build cache to free space..." | |
| docker builder prune -af || true | |
| docker system prune -af || true | |
| done | |
| # ================================================================ | |
| # Combine manifests once both architectures exist | |
| # ================================================================ | |
| create-manifests: | |
| runs-on: ubuntu-latest | |
| needs: [ detect-changes, build-amd64, build-arm64 ] | |
| if: needs.detect-changes.outputs.services != '[]' | |
| steps: | |
| - uses: docker/setup-buildx-action@v3 | |
| - uses: docker/login-action@v3 | |
| with: | |
| username: ${{ secrets.DOCKERHUB_USERNAME }} | |
| password: ${{ secrets.DOCKERHUB_TOKEN }} | |
| - name: Create and push multi-arch manifests | |
| run: | | |
| set -euo pipefail | |
| SERVICES=$(echo '${{ needs.detect-changes.outputs.services }}' | jq -r '.[]') | |
| for SERVICE in $SERVICES; do | |
| IMAGE="${{ secrets.DOCKERHUB_USERNAME }}/grfics-${SERVICE}:${DOCKER_TAG}" | |
| echo "🔗 Creating multi-arch manifest for ${IMAGE}" | |
| docker buildx imagetools create \ | |
| -t "${IMAGE}" \ | |
| "${IMAGE%:*}:amd64" \ | |
| "${IMAGE%:*}:arm64" | |
| echo "✅ Multi-arch manifest published for ${IMAGE}" | |
| done |