searx-docker/Caddyfile

{$SEARX_PROTOCOL}{$SEARX_HOSTNAME} {
  tls {$SEARX_TLS}
  gzip {
    not /morty
  }
  root /srv

  header / {
  	# Enable HTTP Strict Transport Security (HSTS) to force clients to always
	# connect via HTTPS
	# Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"

	# Enable cross-site filter (XSS) and tell browser to block detected attacks
	X-XSS-Protection "1; mode=block"

	# Prevent some browsers from MIME-sniffing a response away from the declared Content-Type
	X-Content-Type-Options "nosniff"

	# Disallow the site to be rendered within a frame (clickjacking protection)
	X-Frame-Options "SAMEORIGIN"

	# CSP (see http://content-security-policy.com/ )
	Content-Security-Policy "default-src 'self'; worker-src 'none'; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline'; connect-src 'self' https://overpass-api.de; img-src 'self' data: https://*.tile.openstreetmap.org; frame-src http://www.youtube-nocookie.com http://player.vimeo.com http://www.dailymotion.com"

	# 
	Access-Control-Allow-Methods "GET, POST, OPTIONS"
	Access-Control-Allow-Origin  "*"

	# Disable some features
	Feature-Policy "accelerometer 'none';autoplay 'none';camera 'none';fullscreen 'none';geolocation 'none';gyroscope 'none';magnetometer 'none';microphone 'none';midi 'none';notifications 'none';payment 'none';push 'none';speaker 'none';sync-xhr 'none';usb 'none';vibrate 'none';vr 'none'"

	# Cache
	Cache-Control "no-cache, no-store, must-revalidate"
	Pragma "no-cache"

	# Referer
	Referrer-Policy "no-referrer"

	# X-Robots-Tag
	X-Robots-Tag "noindex, noarchive, nofollow"

	# Remove Server header
	-Server
  }

  header /static {
	Cache-Control "public, max-age=31536000"
	-Pragma
  }

  cache {
        match_path /static
        status_header X-Cache-Status
        default_max_age 12h
        path /tmp/caddy-cache
  }

  rewrite /status /searx-checker/status.json

  proxy / 127.0.0.1:4040 {
        transparent
	except /searx-checker/status.json
  }

  basicauth /filtron {$FILTRON_USER} {$FILTRON_PASSWORD}
  proxy /filtron/rules 127.0.0.1:4041 {
        without /filtron
  }

  proxy /morty 127.0.0.1:3000

  limits {
	header 100KB
	body   / 100KB
	body   /morty 5MB
  }

  # ratelimit * /morty 150 300 hour

}