build(config.yml): add better logs

.circleci/config.yml

@@ -143,11 +143,7 @@ jobs:
             sudo rm dockerize-linux-amd64-v0.6.1.tar.gz
       - run:
           name: Start outputting logs
-          command: |
-            while true; do
-              docker logs my-app
-              sleep 10
-            done
+          command: docker logs -f my-app
           background: true
       - run: 
           name: Wait for app to be ready