Add filtron (configuration not done / checked)

Drop capabilities

.env

@@ -1,4 +1,18 @@
-LETSENCRYPT_EMAIL=email@example.com
+# hostname and protocol
 SEARX_HOSTNAME=localhost
+
+# empty unless SEARX_HOSTNAME is localhost in this case "https://"
+SEARX_PROTOCOL=https://
+
+# Let's Encrypt : email provided
+LETSENCRYPT_EMAIL=email@example.com
+
+# Do you agree Let's Encrypt TOS https://letsencrypt.org/repository/
+LETSENCRYPT_AGREE=false
+
 # use openssl rand -base64 33
-MORTY_KEY=RemplaceThisBase64KeySharedBetweenMortyAndSearxByARealKey
+MORTY_KEY=RemplaceWithARealKey!
+
+# filtron ( /filtron/rules ), use for example "tr -cd '[:alnum:]' < /dev/urandom | fold -w12 | head -n1"
+FILTRON_USER=filtron
+FILTRON_PASSWORD=SetARealPassword

Caddyfile

@@ -1,6 +1,8 @@
-{$SEARX_HOSTNAME} {
+{$SEARX_PROTOCOL}{$SEARX_HOSTNAME} {
   tls self_signed
-  gzip
+  gzip {
+    not /morty
+  }
   root /srv
 
   header / {
@@ -28,22 +30,40 @@
 	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 "private, no-store"
+	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
   }
 
-  proxy / searx:8080 {
-    	except /morty
+  header /static {
+	Cache-Control "public, max-age=31536000"
+	-Pragma
+  }
+
+  proxy / 127.0.0.1:4040 {
+        transparent
   }
 
-  proxy /morty morty:3000 {
-  	transparent
+  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
   }
 
 }

docker-compose.yaml

@@ -3,29 +3,45 @@ version: '3.7'
 services:
 
   caddy:
-    image: abiosoft/caddy:no-stats
+    container_name: caddy
+    image: abiosoft/caddy:1.0.1-no-stats
     ports:
       - 80:80
       - 443:443
-    networks:
-      searx:
-        ipv4_address: 10.10.10.2
-    command: -email ${LETSENCRYPT_EMAIL} -agree=true -log stdout -host ${SEARX_HOSTNAME} -conf /etc/Caddyfile
+    network_mode: host
+    command: -email ${LETSENCRYPT_EMAIL} -agree=${LETSENCRYPT_AGREE} -log stdout -host ${SEARX_HOSTNAME} -conf /etc/Caddyfile
     volumes:
       - ./Caddyfile:/etc/Caddyfile
       - ./caddy:/root/.caddy
+      - ./srv:/srv
     environment:
       - SEARX_HOSTNAME=${SEARX_HOSTNAME}
+      - SEARX_PROTOCOL=${SEARX_PROTOCOL}
+      - FILTRON_USER=${FILTRON_USER}
+      - FILTRON_PASSWORD=${FILTRON_PASSWORD}
+    cap_drop:
+      - ALL
+    cap_add:
+      - NET_BIND_SERVICE
 
-#  filtron:
-#    image: filtron
-#    hostname: filtron
-#    restart: always
-#    networks:
-#      searx:
-#        ipv4_address: 10.10.10.3
+  filtron:
+    container_name: filtron
+    image: filtron
+    hostname: filtron
+    restart: always
+    ports:
+      - 127.0.0.1:4040:4040
+      - 127.0.0.1:4041:4041
+    networks:
+      searx:
+        ipv4_address: 10.10.10.3
+    command: -listen 10.10.10.3:4040 -api 10.10.10.3:4041 -target 10.10.10.4:8080
+    read_only: true
+    cap_drop:
+      - ALL
 
   searx:
+    container_name: searx
     image: searx
     hostname: searx
     restart: always
@@ -35,20 +51,35 @@ services:
     volumes:
       - ./searx:/etc/searx
     environment:
+      - BIND_ADDRESS=10.10.10.4:8080
       - BASE_URL=https://${SEARX_HOSTNAME}/
       - MORTY_URL=https://${SEARX_HOSTNAME}/morty/
       - MORTY_KEY=${MORTY_KEY}
+    cap_drop:
+      - ALL
+    cap_add:
+      - CHOWN
+      - SETGID
+      - SETUID
 
   morty:
+    container_name: morty
     image: morty
     hostname: morty
     restart: always
+    ports:
+      - 127.0.0.1:3000:3000
     networks:
       searx:
         ipv4_address: 10.10.10.5
-    command: -listen 10.10.10.5:3000
+    command: -listen 10.10.10.5:3000 -timeout 3 -ipv6
     environment:
       - MORTY_KEY=${MORTY_KEY}
+    logging:
+      driver: none
+    read_only: true
+    cap_drop:
+      - ALL
 
 networks:
   searx: