node-nginx.conf

user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
    worker_connections 768;
}

http {
    map $http_upgrade $connection_upgrade {
        default upgrade;
        '' close;
    }
    
    server {
        server_name websitenamewithdomain;
        error_page 500 502 503 504 /custom_50x_rb.html;

        location = /custom_50x_rb.html {
            root /usr/share/nginx/html;
            internal;
        }
        
        location / {
            proxy_http_version 1.1;
            proxy_read_timeout 90;
            
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            
            proxy_pass http://localhost:3333;
        }
        
        location /rpc/ {
            proxy_http_version 1.1;
            proxy_read_timeout 90;
            
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;

            rewrite ^/rpc/$ / break;

            proxy_pass http://localhost:8080;
        }

        location /monitoring/ {
            proxy_http_version 1.1;
            proxy_read_timeout 90;
            
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;

            proxy_pass http://localhost:3000;
        }
    }
}