ci: first trivy scan

.github/workflows/docker.yml

@@ -0,0 +1,23 @@
+name: Build and Deploy
+on:
+  push:
+    branches:
+      - trivy-scan-image
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Build an image from Dockerfile
+        run: docker build -t trivy-explorer .
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@0.28.0
+        with:
+          image-ref: "trivy-explorer"
+          format: "table"
+          exit-code: "1"
+          ignore-unfixed: true
+          vuln-type: "os,library"
+          severity: "CRITICAL,HIGH"