How to reverse-proxy to Remix'es websockets dev server

[antonphp (Anton)]

Fixed. The solution was to publish the port in Docker Compose.

The following citation helped me realize the problem while I was browsing this forum for websocket-related discussions:

@francislavoie

You could make Caddy listen on another port as well if this is easier for you, but it means you’d need to configure the Caddy container to also publish that port, and if you mean to access it from outside your network, port forward that as well.