server {
  listen 80;
  server_name _;
  root /usr/share/nginx/html;
  index index.html;
  location / { try_files $uri $uri/ $uri.html /index.html; }
  location ~* \.(css|js|woff2|jpg|png|svg|webp)$ { expires 7d; add_header Cache-Control "public"; }
}