IT-3421: Ensure repo' name is lower case

Author: brucehoff

.github/workflows/trivy_periodic_image_scan.yml

@@ -13,10 +13,27 @@ on:
     - cron: "0 0 * * *"
 
 jobs:
-  trivy:
-    name: trivy-periodic-scan
-    uses: "./.github/workflows/trivy.yml"
-    with:
-      SOURCE_TYPE: image
-      IMAGE_NAME: ghcr.io/${{ github.repository }}:main
+  trivy-matrix:
+    name: ${{ matrix.notebook_type }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        notebook_type:
+          - jupyter
+          - rstudio
+
+    steps:
+      - name: Ensure image name is lower case
+        id: image_name
+        uses: vishalmamidi/lowercase-action@v1
+        with:
+          string: ghcr.io/${{ github.repository
+            }}-${{ matrix.notebook_type }}:main
+
+      - name: Run Trivy
+        uses: "./.github/workflows/trivy.yml"
+        with:
+          NOTEBOOK_TYPE: ${{ matrix.notebook_type }}
+          SOURCE_TYPE: image
+          IMAGE_NAME: ${{ steps.image_name.outputs.lowercase }}
 ...