nginx.conf

http {

// there is other config here

server {
        listen   443;

        access_log /var/log/nginx/meteorapp.access.log;
        error_log /var/log/nginx/meteorapp.error.log;

        location / {
                proxy_pass http://localhost:3000;
                proxy_set_header X-Real-IP $remote_addr;
        }

        ssl on;
        ssl_certificate /etc/nginx/ssl/meteorapp.bundle.cert;
        ssl_certificate_key /etc/nginx/ssl/meteorapp.key;
        ssl_verify_depth 3;
}

}