server.conf

server {
    listen          0.0.0.0:8000;
    server_name     my-server;

    # Redirect the root URL to your server.
    location = / {
        return  301 /app;
    }

    # Known HTTP Entrypoints
    # Redirect to the actual server (ex. NodeJS listening on localhost:5000).
    location = /app {
        include     /etc/nginx/conf.d/server-proxy.conf;
        proxy_pass  http://localhost:5000;
    }
    location ~ /app/api/v1/? {
        include     /etc/nginx/conf.d/server-proxy.conf;
        proxy_pass  http://localhost:5000;
    }

    # Known WebSocket Entrypoints
    # Redirect to the actual server (ex. SocketIO listening on localhost:3000)
    location = /app/ws/v1 {
        include     /etc/nginx/conf.d/server-proxy.conf;

        # By default, Socket.IO will set the transport type to 'polling' to support
        # browsers that do not support web sockets. If there is already a working
        # connection, try to upgrade the client to a 'websocket'.
        proxy_http_version  1.1;
        proxy_set_header    Upgrade $http_upgrade;
        proxy_set_header    Connection "upgrade";

        proxy_pass          http://localhost:3000/app/ws/v1;
    }

    # Static Content/Resources
    location ^~ /favicon.ico {
        alias       /path/to/server/public/favicon.ico;
        expires     max;
    }
    location ^~ /assets {
        alias       /path/to/server/public/assets;
        expires     max;
    }
    location ^~ /css {
        alias       /path/to/server/public/css;
        expires     max;
    }
    location ^~ /js {
        alias       /path/to/server/public/js;
        expires     max;
    }

    # Static Content/Resources with no caching
    # For example, you are regularly sending images to the browser,
    # and you want to tell the browser to NOT cache the last image
    # it downloaded.
    location ^~ /output {
        alias               /path/to/output;

        add_header          Last-Modified $date_gmt;
        add_header          Cache-Control 'no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0';
        if_modified_since   off;
        expires             off;
        etag                off;
    }
}