Merge pull request #223 from GeoWerkstatt/docker-image-scan

Add docker container image scan with Trivy

.github/workflows/trivy.yml

@@ -0,0 +1,47 @@
+name: Trivy
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  schedule:
+    - cron: '44 1 * * 3'
+
+permissions:
+  contents: read
+
+jobs:
+  analyze:
+    permissions:
+      contents: read
+      security-events: write
+    name: Analyze
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set environment variables
+        run: |
+          echo IMAGE_NAME=ghcr.io/$REGISTRY/$(echo ${GITHUB_REPOSITORY,,}) >> $GITHUB_ENV
+
+      - name: Build image from Dockerfile
+        run: |
+          docker build --build-arg VERSION=$GITHUB_RUN_NUMBER --build-arg REVISION=${{ github.sha }} -t ${{ env.IMAGE_NAME }}:${{ github.sha }} .
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@7b7aa264d83dc58691451798b4d117d53d21edfe
+        env:
+          ACTIONS_RUNTIME_TOKEN: ${{ secrets.GITHUB_TOKEN }} # Addresses https://github.com/aquasecurity/trivy-action/issues/389
+        with:
+          image-ref: '${{ env.IMAGE_NAME }}:${{ github.sha }}'
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results.sarif'
+          severity: 'CRITICAL,HIGH'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: 'trivy-results.sarif'