location / {
  root   /usr/share/nginx/html;
  index index.html index.htm;

  location ~* \.(?:manifest|appcache|html?|xml|json)$ {
    expires -1;
    # access_log logs/static.log; # I don't usually include a static log
  }

  # Any route containing a file extension (e.g. /devicesfile.js)
  location ~ ^.+\..+$ {
    try_files $uri =404;
  }

  # Any route that doesn't have a file extension (e.g. /devices)
  location / {
    try_files $uri $uri/ /index.html;
  }
}