Add networking for caddy

caddy-cloudflare-ddns-crowdsec/docker-compose.yml

@@ -3,8 +3,7 @@ services:
     image: ghcr.io/crowdsecurity/crowdsec:v1.6.9
     container_name: crowdsec
     networks:
-      proxy:
-        ipv4_address: 172.30.0.3
+      - backend
     environment:
       - BOUNCER_KEY_CADDY=${CROWDSEC_API_KEY}
       - GID=${GID}
@@ -31,8 +30,7 @@ services:
     cap_add:
       - NET_ADMIN
     networks:
-      proxy:
-        ipv4_address: 172.30.0.2
+      - frontend
     environment:
       - CLOUDFLARE_API_TOKEN=${CLOUDFLARE_API_TOKEN}
       - CROWDSEC_API_KEY=${CROWDSEC_API_KEY}
@@ -49,10 +47,7 @@ services:
     restart: unless-stopped
 
 networks:
-  proxy:
-    name: proxy
-    driver: bridge
-    ipam:
-     config:
-       - subnet: 172.30.0.0/16
-         gateway: 172.30.0.1
+  frontend:
+    exernal: true
+  backend:
+    exernal: true