Update Caddyfile

- Access-Control-Allow-Origin "*" only for /status, /config
- Add Strict-Transport-Security
- Modify Content-Security-Policy to allow https://www.deezer.com https://www.mixcloud.com https://w.soundcloud.com https://embed.spotify.com
- Limit request header/body to 10kb

Caddyfile

@@ -5,10 +5,19 @@
   }
   root /srv
 
+  header /config {
+        Access-Control-Allow-Methods "GET, OPTIONS"
+        Access-Control-Allow-Origin  "*"
+  }
+
+  header /status {
+        Access-Control-Allow-Methods "GET, OPTIONS"
+        Access-Control-Allow-Origin  "*"
+  }
+
   header / {
-  	# Enable HTTP Strict Transport Security (HSTS) to force clients to always
+        # Enable HTTP Strict Transport Security (HSTS) to force clients to always connect via HTTPS
-	# connect via HTTPS
+        Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
-	# 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"
@@ -20,11 +29,7 @@
         X-Frame-Options "SAMEORIGIN"
 
         # CSP (see http://content-security-policy.com/ )
-	Content-Security-Policy "default-src 'none'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; form-action 'self'; font-src 'self'; frame-ancestors 'self'; base-uri 'self'; 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"
+        Content-Security-Policy "default-src 'none'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; form-action 'self'; font-src 'self'; frame-ancestors 'self'; base-uri 'self'; connect-src 'self' https://overpass-api.de; img-src 'self' data: https://*.tile.openstreetmap.org; frame-src https://www.youtube-nocookie.com https://player.vimeo.com https://www.dailymotion.com https://www.deezer.com https://www.mixcloud.com https://w.soundcloud.com https://embed.spotify.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'"
@@ -52,13 +57,6 @@
         -Pragma
   }
 
-  cache {
-        match_path /static
-        status_header X-Cache-Status
-        default_max_age 12h
-        path /tmp/caddy-cache
-  }
-
   rewrite / {
         regexp ^/status$
         to /searx-checker/status.json
@@ -66,6 +64,10 @@
 
   proxy / 127.0.0.1:4040 {
         transparent
+        header_upstream X-Forwarded-TlsProto {tls_protocol}
+        header_upstream X-Forwarded-TlsCipher {tls_cipher}
+        header_upstream X-Forwarded-HttpsProto {proto}
+
         except /searx-checker/status.json
   }
 
@@ -76,12 +78,6 @@
 
   proxy /morty 127.0.0.1:3000
 
-  limits {
+  limits 10KB
-	header 100KB
-	body   / 100KB
-	body   /morty 5MB
-  }
-
-  # ratelimit * /morty 150 300 hour
 
 }