nginx.conf

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

        server_name _;

        add_header X-Content-Type-Options "nosniff";
        add_header X-Frame-Options "SAMEORIGIN";
        add_header X-XSS-Protection "1; mode=block";

        resolver 8.8.8.8 8.8.4.4;
        resolver_timeout 5s;

        gzip on;
        gzip_types text/plain text/javascript text/xml text/css application/xml application/json application/x-javascri
pt application/javascript application/xml+rss;
        gzip_proxied any;
        gzip_vary on;
        gzip_comp_level 3;
        gzip_disable "MSIE [1-6]\.";


        location / {
                proxy_pass http://127.0.0.1:3000;
                proxy_set_header Host $http_host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-Proto $scheme;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

                proxy_cache_bypass $http_cache_control;
                add_header Vary Accept-Encoding;
        }

        client_max_body_size 50m;
}