server {
    listen 80;
    server_name server_domain_or_IP;
    client_max_body_size 16M;

    location / {
        proxy_pass_header Server;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X_FORWARDED_PROTO $scheme;
        proxy_connect_timeout 300;
        proxy_read_timeout 300;
        proxy_pass http://localhost:5100/;
    }
}