[CI] build demo images

Signed-off-by: Marc Dumais <[email protected]>

Author: marcdumais-work

.github/workflows/docker-example.yml

@@ -31,7 +31,7 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
 
-    - name: Build example app
+    - name: Build Docker example images
       uses: nick-invision/retry@v3
       with:
         timeout_minutes: 10
@@ -41,7 +41,19 @@ jobs:
         command: |
           cd docker
           docker build . --build-arg RESOURCES=${{ matrix.params.resources-folder }} -t tv-${{ matrix.params.name }} -f Dockerfile-${{ matrix.params.name }} 
-        on_retry_command: cd ../..
+        on_retry_command: cd ..
+
+    - name: Build "demo" version of the Docker image
+      uses: nick-invision/retry@v3
+      with:
+        timeout_minutes: 10
+        retry_wait_seconds: 15
+        max_attempts: 1
+        retry_on: error
+        command: |
+          cd docker
+          yarn build:docker:${{ matrix.params.name }}-demo
+        on_retry_command: cd ..
 
     - name: Run docker image
       run: |
@@ -53,3 +65,6 @@ jobs:
         cd docker
         yarn --cwd ${{ matrix.params.resources-folder }} test
 
+    - name: Run "demo" version of the docker image
+      run: |
+        yarn run:docker:${{ matrix.params.name }}-demo