server {
  listen 80;
  root /usr/share/nginx/html;

  # Hashed bundles never change — cache for a year; index.html — always fresh
  location ~* \.(js|css|woff2?|ico|png|svg)$ {
    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;
  }

  gzip on;
  gzip_types text/css application/javascript image/svg+xml;
}