server {
  listen 8080;
  root /usr/share/nginx/html;
  add_header Access-Control-Allow-Origin "*" always;
  add_header X-Content-Type-Options nosniff always;
  location = /catalog.json {
    add_header Access-Control-Allow-Origin "*" always;
    add_header Cache-Control "no-cache";
    try_files $uri =404;
  }
  location /bundles/ {
    add_header Access-Control-Allow-Origin "*" always;
    add_header Cache-Control "public, max-age=31536000, immutable";
    try_files $uri =404;
  }
  location / { try_files $uri =404; }
}