Add GitHub Actions workflow to scan Docker images for vulnerabilities

Author: Vianpyro

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

@@ -0,0 +1,29 @@
+name: Scan Docker Images
+
+on:
+  push:
+    branches:
+      - main
+  pull_request: null
+
+jobs:
+  scan-images:
+    name: Scan Docker Images for Vulnerabilities
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Build an image from Dockerfile
+        run: docker build -t docker.io/my-organization/my-app:${{ github.sha }} .
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/[email protected]
+        with:
+          image-ref: "docker.io/my-organization/my-app:${{ github.sha }}"
+          format: "table"
+          exit-code: "1"
+          ignore-unfixed: true
+          vuln-type: "os,library"
+          severity: "CRITICAL,HIGH"