nginx conf with node app and statics

upstream node_app_main {
  server localhost:8080;
}

server {
  listen 80;
  server_name od-reki.volkswagen.pl;

  root /home/deploy/main-node/current/public;

  location / {
    try_files $uri @node_app_main;
  }

  location @node_app_main {
    auth_basic "Restricted";
    auth_basic_user_file /etc/nginx/htpasswd;

    proxy_pass http://node_app_main;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
  }
}