update

.github/workflows/build-dev-container.yaml

@@ -6,29 +6,19 @@ on: # rebuild any PRs and main branch changes
       - master
 
 jobs:
-  prepare:
+
+  list-folders:
     runs-on: ubuntu-latest
-    outputs:
-      matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
-      - name: Checkout (GitHub)
-        uses: actions/checkout@v3
-
-      - name: Set matrix for build
-        id: set-matrix
-        run: |
-          FOLDERS=$(ls -d templates/*/)
-          FOLDERS=${FOLDERS%/} # remove trailing slashes
-          FOLDERS=${FOLDERS//templates\//} # remove leading 'templates/'
-          FOLDERS_JSON=$(echo "$FOLDERS" | jq -R -s -c 'split("\n")[:-1]')
-          echo "FOLDERS_JSON: $FOLDERS_JSON"
-          echo "::set-output name=matrix::${FOLDERS_JSON}"
-
+      - uses: philips-labs/list-folder-action@v1
+        with:
+          directory: ./templates
+
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        subfolder: ${{fromJson(needs.prepare.outputs.matrix)}}
+        subfolder: ${{ fromJSON(needs.list-folders.outputs.folders) }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4