server {
  listen                          80;
  server_name                     localhost;
  client_max_body_size            512M;
  keepalive_timeout               1800s;
  sendfile                        on;
  chunked_transfer_encoding       on;


  location /static {
    alias /app/static/;
  }

  location / {
    proxy_set_header Access-Control-Allow-Origin *;
    proxy_set_header Access-Control-Allow-Methods *;
    proxy_set_header Access-Control-Allow-Headers *;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;
    proxy_pass       http://backend:18000;
  }
}