server {
  listen 8080;
  server_name _;
  root /usr/share/nginx/html;
  index index.html;
  add_header X-Content-Type-Options nosniff always;
  add_header Referrer-Policy strict-origin-when-cross-origin always;
  add_header X-Frame-Options SAMEORIGIN always;
  location = /healthz { access_log off; default_type text/plain; return 200 "ok\n"; }
  location /assets/ { expires 1y; add_header Cache-Control "public, immutable"; try_files $uri =404; }
  location / { add_header Cache-Control "no-cache"; try_files $uri $uri/ /index.html; }
}