Add wait for port

Author: lvarin

.github/workflows/checks.yaml

@@ -49,15 +49,7 @@ jobs:
       - name: Deploy app
         run: docker-compose up -d --build
       - name: Wait for app startup
-        continue-on-error: true
-        run: |
-          curl localhost:8080 -so /dev/null
-          while [[  $? -ne 0 ]]
-          do
-            echo "Waiting for the service in port 8080 to be up ..."
-            sleep 5
-            curl localhost:8080 -so /dev/null
-          done
+        run: while ! $(curl localhost:8000 -so /dev/null); do echo no; sleep 5; done
       - name: Run integration tests
         shell: bash
         run: pytest tests/test_integration