{$FPOL_DOMAIN} {
  encode zstd gzip
  header {
    X-Content-Type-Options nosniff
    Referrer-Policy no-referrer
    X-Frame-Options DENY
    Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data:; connect-src 'self'; frame-ancestors 'none'; base-uri 'none'; form-action 'self'"
  }
  reverse_proxy app:8080
}