diff --git a/.github/workflows/scan.yml b/.github/workflows/scan.yml
new file mode 100644
index 0000000..32e4b29
--- /dev/null
+++ b/.github/workflows/scan.yml
@@ -0,0 +1,23 @@
+name: scan
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 13 * * *"
+
+jobs:
+  scan:
+    name: Scan
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'docker.io/library/rockylinux:8'
+          format: 'table'
+          exit-code: '1'
+          ignore-unfixed: true
+          vuln-type: 'os,library'
+          severity: 'CRITICAL,HIGH'