The very same name, as well as eventual prefixes, need to be specified in the line of _proxy_pass_.
The very same name, as well as eventual prefixes, need to be specified in the line of _proxy pass_.
The port, in this example set to _3000_, it's the port where Express is mounting the application. By default is 3000, but you can edit it according to the configurations of the express server.
The port, in this example set to _3000_, it's the port where Express is mounting the application. By default is 3000, but you can edit it according to the configurations of the express server.
The three `proxy_set_header` Host, Upgrade and Connection are necessary to make the Websocket connection work.
The three `proxy_set_header` Host, Upgrade and Connection are necessary to make the Websocket connection work.