server {
    listen       80;
    listen  [::]:80;
    server_name  localhost;

    location /user {
        proxy_pass http://localhost:3000;
        client_max_body_size    1000m;
        proxy_set_header HOST $host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Real-IP $remote_addr;
      	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   html;
    }
}