fix(registry): wait for (testcontainers#2793)

Switch registry containers to wait for http response to ensure the
container is ready to serve requests, which was causing random test
failures.

Also remove unnecessary context creation.

Author: stevenh

docker_auth_test.go

@@ -286,7 +286,7 @@ func prepareLocalRegistryWithAuth(t *testing.T) string {
 				ContainerFilePath: "/data",
 			},
 		},
-		WaitingFor: wait.ForExposedPort(),
+		WaitingFor: wait.ForHTTP("/").WithPort("5000/tcp"),
 	}
 	// }
 
@@ -311,9 +311,6 @@ func prepareLocalRegistryWithAuth(t *testing.T) string {
 		removeImageFromLocalCache(t, addr+"/redis:5.0-alpine")
 	})
 
-	_, cancel := context.WithCancel(context.Background())
-	t.Cleanup(cancel)
-
 	return addr
 }
 

modules/registry/registry.go

@@ -220,10 +220,9 @@ func Run(ctx context.Context, img string, opts ...testcontainers.ContainerCustom
 			// convenient for testing
 			"REGISTRY_STORAGE_DELETE_ENABLED": "true",
 		},
-		WaitingFor: wait.ForAll(
-			wait.ForExposedPort(),
-			wait.ForLog("listening on [::]:5000").WithStartupTimeout(10*time.Second),
-		),
+		WaitingFor: wait.ForHTTP("/").
+			WithPort(registryPort).
+			WithStartupTimeout(10 * time.Second),
 	}
 
 	genericContainerReq := testcontainers.GenericContainerRequest{