server {
  listen 80;
  root   /usr/share/nginx/html;
  include /etc/nginx/mime.types;

  location / {
    index index.html;
    try_files $uri $uri/ /index.html;

    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
      root   /usr/share/nginx/html;
    }
  }
}