don't background

Author: euanh

.github/workflows/pull_request.yml

@@ -41,7 +41,7 @@ jobs:
 
             - name: Run the example
               run: |
-                  docker run -d -p 8080:8080 localhost:5000/hummingbird
+                  docker run -p 8080:8080 localhost:5000/hummingbird
 
             - name: Check that the service is running
               run: |