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gRPC and WebSockets are in preview. Doesn't look like you can use arbitrary ports though. https://cloud.google.com/run/docs/triggering/grpc https://cloud.goog

• jillesvangurp 6y ago
  You can open just 1 https port but you can map whatever port in your docker container to that. Some websocket implementations work with a second port and that just doesn't work. But you should probably split those services into two. But if you use something that can mix websockets and normal https traffic over 1 port, it works great.