envoy not connecting to VerneMQ for MQTT over websockets, error code 503
Some quick background information for anyone running into the same issues, and how to debug them.Error code 503This is the error code I am getting:Error during WebSocket handshake: Unexpected response code: 503.Set envoy logging to debugHere’s my docker-compose.yaml for envoy:version: '3.7' services: envoy: build: