Add scheduled and on-demand Trivy image scan workflow

Author: dash14

.github/workflows/docker-publish.yml

@@ -44,29 +44,39 @@ jobs:
 
       - name: Build image for scanning
         uses: docker/build-push-action@v6
+        env:
+          DOCKER_BUILD_CHECKS_ANNOTATIONS: false
+          DOCKER_BUILD_SUMMARY: false
+          DOCKER_BUILD_RECORD_UPLOAD: false
         with:
           context: docker
           load: true
           tags: ghcr.io/${{ github.repository }}:scan
 
       - name: Scan image with Trivy
         id: trivy-scan
-        uses: aquasecurity/trivy-action@master
+        uses: aquasecurity/trivy-action@0.34.0
         with:
           image-ref: ghcr.io/${{ github.repository }}:scan
+          ignore-unfixed: true
+          scanners: vuln
           format: sarif
           output: trivy-results.sarif
           severity: CRITICAL,HIGH
           exit-code: '1'
 
       - name: Upload Trivy scan results to GitHub Security
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@v4
         if: always() && steps.trivy-scan.conclusion != 'skipped'
         with:
           sarif_file: trivy-results.sarif
 
       - name: Build and push
         uses: docker/build-push-action@v6
+        env:
+          DOCKER_BUILD_CHECKS_ANNOTATIONS: true
+          DOCKER_BUILD_SUMMARY: true
+          DOCKER_BUILD_RECORD_UPLOAD: false
         with:
           context: docker
           platforms: linux/amd64,linux/arm64

.github/workflows/image-scan.yml

@@ -0,0 +1,53 @@
+name: Image Security Scan
+run-name: Image Security Scan (${{ github.event_name == 'schedule' && 'latest' || github.ref_name }})
+
+on:
+  schedule:
+    - cron: '0 0 1 * *'
+  workflow_dispatch:
+
+jobs:
+  scan:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+
+    steps:
+      - name: Checkout
+        if: github.event_name == 'workflow_dispatch'
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        if: github.event_name == 'workflow_dispatch'
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build image
+        if: github.event_name == 'workflow_dispatch'
+        uses: docker/build-push-action@v6
+        env:
+          DOCKER_BUILD_CHECKS_ANNOTATIONS: false
+          DOCKER_BUILD_SUMMARY: false
+          DOCKER_BUILD_RECORD_UPLOAD: false
+        with:
+          context: docker
+          load: true
+          tags: buildcage:scan
+
+      - name: Scan image with Trivy
+        id: trivy-scan
+        uses: aquasecurity/trivy-action@0.34.0
+        with:
+          image-ref: ${{ github.event_name == 'schedule' && format('ghcr.io/{0}:latest', github.repository) || 'buildcage:scan' }}
+          ignore-unfixed: true
+          scanners: vuln
+          format: sarif
+          output: trivy-results.sarif
+          severity: CRITICAL,HIGH
+          exit-code: '1'
+
+      - name: Upload Trivy scan results to GitHub Security
+        uses: github/codeql-action/upload-sarif@v4
+        if: always() && steps.trivy-scan.conclusion != 'skipped'
+        with:
+          sarif_file: trivy-results.sarif