Docker Build Workflow #3
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| name: Docker Build Workflow | |
| # Allow manual triggering via GitHub CLI or web interface | |
| on: | |
| workflow_dispatch: | |
| inputs: | |
| tag: | |
| description: 'Docker image tag' | |
| required: false | |
| default: 'latest' | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Build Docker image | |
| run: | | |
| echo "🐳 Building Docker image..." | |
| docker build -t demo-app:${{ github.event.inputs.tag || 'latest' }} . | |
| echo "✅ Docker image built successfully!" | |
| - name: List Docker images | |
| run: | | |
| echo "📋 Available Docker images:" | |
| docker images demo-app | |
| - name: Test Docker container | |
| run: | | |
| echo "🧪 Testing Docker container..." | |
| docker run --rm demo-app:${{ github.event.inputs.tag || 'latest' }} | |
| echo "✅ Container test completed!" | |
| - name: Show build summary | |
| run: | | |
| echo "📊 Build Summary:" | |
| echo "- Image: demo-app:${{ github.event.inputs.tag || 'latest' }}" | |
| echo "- Build completed at: $(date)" | |
| echo "- Workflow triggered by: ${{ github.actor }}" |