Add wait for port

Author: lvarin

.github/workflows/checks.yaml

@@ -50,8 +50,11 @@ jobs:
         run: docker-compose up -d --build
       - name: Wait for app startup
         run: |
-          { sleep 120; echo "TIMEOUT!"; return 5; } &
-          while ! $(curl localhost:8080 -so /dev/null); do echo "Waiting for the app to be up..."; docker-compose ps; sleep 5; done
+          for i in $(seq 1 24); do
+            sleep 5; curl localhost:8080 -so /dev/null && return;
+            docker-compose ps;
+            echo "Retrying ($i) in 5 seconds...";
+          done
       - name: Run integration tests
         shell: bash
         run: pytest tests/test_integration