proxy_pass_site.conf

server {
        server_name DOMAIN;
 
        location / {
                proxy_pass http://localhost:3000;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
 


		client_max_body_size 500M;
        
        listen 443 ssl; # managed by Certbot
        ssl_certificate /etc/letsencrypt/live/DOMAIN/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/DOMAIN/privkey.pem;
#        include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
#        ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}

server {
        listen 80;
        listen [::]:80;
        server_name DOMAIN; 
        return 301 https://DOMAIN$request_uri;
}