nginx config

nginx.conf

upstream backend {
    server 127.0.0.1:3000;
}

server {
    listen 80;
    server_name localhost;
    error_log /var/log/nginx/debug.log debug;
    location / {
        proxy_pass http://backend;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $remote_addr;
    }
}