feat(ci): add dynamic Docker Scout security scanning

.github/workflows/docker-scout-scan.yml

@@ -0,0 +1,93 @@
+name: Docker Scout PR Security Scan
+
+on:
+  pull_request:
+    branches: [ main ]
+    paths:
+      - 'Dockerfile'
+      - 'app/**'
+      - 'x/**'
+      - 'cmd/**'
+      - '.github/workflows/docker-scout-scan.yml'
+  workflow_dispatch:
+
+env:
+  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_TAG: pr-${{ github.event.pull_request.number }}
+
+jobs:
+  docker-scout-scan:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+      security-events: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PAT }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=pr
+            type=sha,prefix=pr-,format=short
+
+      - name: Build Docker image (no push)
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: false
+          load: true
+          tags: ${{ steps.meta.outputs.tags }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Docker Scout - CVE Scan
+        uses: docker/scout-action@v1
+        with:
+          command: cves
+          image: ${{ steps.meta.outputs.tags }}
+          only-severities: critical,high
+          exit-code: false
+          sarif-file: scout-report.sarif
+
+      - name: Docker Scout - Compare to Latest
+        uses: docker/scout-action@v1
+        if: github.event.pull_request.base.ref == 'main'
+        with:
+          command: compare
+          image: ${{ steps.meta.outputs.tags }}
+          to: ${{ env.IMAGE_NAME }}:latest
+          only-severities: critical,high
+          exit-code: true
+
+      - name: Upload SARIF results to GitHub Security
+        uses: github/codeql-action/upload-sarif@v3
+        if: always()
+        with:
+          sarif_file: scout-report.sarif
+
+      - name: Generate vulnerability summary
+        if: always()
+        run: |
+          echo "## 🔍 Docker Scout Security Scan Results" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "**Image:** 
+${{ steps.meta.outputs.tags }}"
+ >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          docker scout cves ${{ steps.meta.outputs.tags }} --only-severity critical,high --format markdown >> $GITHUB_STEP_SUMMARY || echo "No critical/high vulnerabilities found! ✅" >> $GITHUB_STEP_SUMMARY

.github/workflows/update-readme-scout.yml

@@ -0,0 +1,56 @@
+name: Update README with Docker Scout Results
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  update-readme:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.REPO_PAT }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PAT }}
+
+      - name: Pull latest image
+        run: docker pull ${{ github.repository }}:latest || true
+
+      - name: Docker Scout - CVE Scan
+        id: scout
+        uses: docker/scout-action@v1
+        with:
+          command: cves
+          image: ${{ github.repository }}:latest
+          format: markdown
+          exit-code: false
+
+      - name: Update README.md
+        run: |
+          awk '/<!-- DOCKER_SCOUT_RESULTS_START -->/{print;print "${{ steps.scout.outputs.markdown }}";f=1} /<!-- DOCKER_SCOUT_RESULTS_END -->/{f=0} !f{print}' README.md > README.md.tmp
+          mv README.md.tmp README.md
+
+      - name: Commit and push if changed
+        run: |
+          git config --global user.name 'github-actions[bot]'
+          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
+          git add README.md
+          if ! git diff --staged --quiet; then
+            git commit -m 'docs: update Docker Scout scan results [skip ci]'
+            git push
+          else
+            echo "No changes to commit."
+          fi