diff --git a/.github/workflows/trivy_scan.yml b/.github/workflows/trivy_scan.yml
new file mode 100644
index 0000000..e7e182f
--- /dev/null
+++ b/.github/workflows/trivy_scan.yml
@@ -0,0 +1,129 @@
+name: Repo Scan
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ "master" ]
+  schedule:
+    - cron: '28 3 * * 5'
+
+jobs:
+  repo_scan:
+    name: repo_scan
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Run Trivy vulnerability scanner in repo mode
+        uses: aquasecurity/trivy-action@master
+        with:
+          scan-type: 'fs'
+          ignore-unfixed: true
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+          severity: 'CRITICAL'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: 'trivy-results.sarif'
+
+
+  scan_2_10:
+    name: scan_2_10
+    runs-on: ubuntu-20.04
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Build an image from Dockerfile
+        run: |
+          docker build -t keitaro/ckan/2.10:${{ github.sha }} -f ./images/ckan/2.10/Dockerfile ./images/ckan/2.10/
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'keitaro/ckan/2.10:${{ github.sha }}'
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: 'trivy-results.sarif'
+
+
+  scan_2_10_focal:
+    name: scan_2_10_focal
+    runs-on: ubuntu-20.04
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Build an image from Dockerfile
+        run: |
+          docker build -t keitaro/ckan/2.10-focal:${{ github.sha }} -f ./images/ckan/2.10/Dockerfile.focal ./images/ckan/2.10/
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'keitaro/ckan/2.10-focal:${{ github.sha }}'
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: 'trivy-results.sarif'
+
+  scan_2_9:
+    name: scan_2_9
+    runs-on: ubuntu-20.04
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Build an image from Dockerfile
+        run: |
+          docker build -t keitaro/ckan/2.9:${{ github.sha }} -f ./images/ckan/2.9/Dockerfile ./images/ckan/2.9/
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'keitaro/ckan/2.9:${{ github.sha }}'
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: 'trivy-results.sarif'
+
+  scan_2_9_focal:
+    name: scan_2_9_focal
+    runs-on: ubuntu-20.04
+    steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Build an image from Dockerfile
+        run: |
+          docker build -t keitaro/ckan/2.9-focal:${{ github.sha }} -f ./images/ckan/2.9/Dockerfile.focal ./images/ckan/2.9/
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'keitaro/ckan/2.9-focal:${{ github.sha }}'
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: 'trivy-results.sarif'
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