Minimal express server to bridge two websocockets.
Start the container on port 3030:
docker run -p 3030 ghcr.io/giubots/ws-bridge:master
Create two socket connections (from and to can be anything), for example with WebSocket Client:
first: ws://localhost:3030/ws/from/to
second: ws://localhost:3030/ws/to/from
Sending a message to the first socket will deliver it to the second. Sending to second will deliver to first.
Sending a message to first if second is not connected drops the message.
Health check available curtesy of express-actuator.