feat(trivy): switch to image with manifest sha

Updated Trivy Security Scan step to include:
- retries
- pinned tag
- pinned manifest sha

Author: Souheil-Yazji

.github/workflows/test-and-push.yaml

@@ -78,13 +78,50 @@ jobs:
 
       # --- Security Scan ---
       - name: Run Trivy Security Scan
-        uses: aquasecurity/trivy-action@master
-        with:
-          image-ref: ${{ env.IMAGE_NAME }}
-          severity: "CRITICAL"
-          ignore-unfixed: true
-          exit-code: 1
-          format: table
+        env:
+          TRIVY_VERSION: "0.69.3"
+          TRIVY_DIGEST: "sha256:7228e304ae0f610a1fad937baa463598cadac0c2ac4027cc68f3a8b997115689"
+          TRIVY_DB_REPOSITORIES: '"ghcr.io/aquasecurity/trivy-db:2","public.ecr.aws/aquasecurity/trivy-db"'
+          TRIVY_JAVA_DB_REPOSITORIES: '"ghcr.io/aquasecurity/trivy-java-db:1","public.ecr.aws/aquasecurity/trivy-java-db"'
+          TRIVY_MAX_RETRIES: "5"
+          TRIVY_RETRY_DELAY: "20"
+        run: |
+          set +e
+
+          # retry for random failure
+          for ((i=0; i<${TRIVY_MAX_RETRIES}; i++)); do
+            echo "Attempt $((i + 1)) of ${TRIVY_MAX_RETRIES}..."
+
+            docker run --rm \
+              -v /var/run/docker.sock:/var/run/docker.sock \
+              -v "${{ github.workspace }}/.trivycache:/root/.cache" \
+              aquasec/trivy:${TRIVY_VERSION}@${TRIVY_DIGEST} \
+              image \
+                --image-src docker \
+                --db-repository ${TRIVY_DB_REPOSITORIES} \
+                --java-db-repository ${TRIVY_JAVA_DB_REPOSITORIES} \
+                --scanners vuln \
+                --severity CRITICAL \
+                --format table \
+                --timeout 20m \
+                --exit-code 1 \
+                "${{ env.IMAGE_NAME }}"
+            EXIT_CODE=$?
+
+            if [[ $EXIT_CODE -eq 0 ]]; then
+              echo "Trivy scan completed successfully."
+              exit 0
+            elif [[ $EXIT_CODE -eq 1 ]]; then
+              echo "Trivy found vulnerabilities meeting the configured threshold."
+              exit 1
+            elif [[ $i -lt $((TRIVY_MAX_RETRIES - 1)) ]]; then
+              echo "Unexpected Trivy error. Retrying in ${TRIVY_RETRY_DELAY} seconds..."
+              sleep "${TRIVY_RETRY_DELAY}"
+            else
+              echo "Unexpected Trivy error persisted after ${TRIVY_MAX_RETRIES} attempts."
+              exit 1
+            fi
+          done
 
       # --- Push Image to ACR ---
       - name: Login to ACR