Run docker

Author: ivanperez-keera

.github/workflows/repo-ghc-8.6-cabal-2.4-ros.yml

@@ -48,3 +48,5 @@ jobs:
     - name: Generate ROS app
       run: |
         ogma ros --app-target-dir demo --variable-db ogma-cli/examples/ros-copilot/vars-db --variable-file ogma-cli/examples/ros-copilot/variables --handlers-file ogma-cli/examples/ros-copilot/handlers
+        cd demo/
+        docker build -t .