Websocket connection in Kubernetes cluster with nginx-ingress
For me it works like a charm!
I'm usingkong-docker-kubernetes-ingress-controller.bintray.io/kong-ingress-controller:0.9.0on my private kubernetes cluster.
Thus, your issue might be related to GCE.
Please also check your TLS configuration.
In your post you were mentioning ws://... rather than wss://, which indicates you don't even use TLS. This might be rejected by your browser (e.g. Chrome).