nginx.conf

server {
  listen 80;
  server_name _;

  root /usr/share/nginx/html;
  index index.html;

  # Basic gzip for text assets
  gzip on;
  gzip_types text/plain text/css application/json application/javascript application/xml+rss application/atom+xml image/svg+xml;

  # Cache hashed build assets aggressively
  location ~* \.(?:js|css|png|jpg|jpeg|gif|svg|ico|webp|woff2?)$ {
    try_files $uri =404;
    expires 1y;
    add_header Cache-Control "public, immutable";
  }

  # SPA fallback: route everything else to index.html
  location / {
    try_files $uri $uri/ /index.html;
    add_header Content-Security-Policy "default-src 'self'; script-src 'self'; connect-src 'self' https://horizon.stellar.org; report-uri /csp-report";
    add_header Cache-Control "no-cache";
  }
}