feat: Adds caddy readme.

caddy/compose.yml

@@ -1,10 +1,13 @@
+# This network needs created prior to running the container.
+#
+# docker network create --driver=bridge proxy
+#
 networks:
   proxy:
     external: true
 
 volumes:
   caddy_config:
-  caddy_data:
 
 services:
   caddy:
@@ -23,12 +26,14 @@ services:
       - 80:80
       - 443:443
       - "443:443/udp"
-      - 2019:2019
+      - 2019:2019 # only needed if you want to access the api.
     cap_add:
       - NET_ADMIN
     volumes:
-      - $PWD/config:/etc/caddy
-      - caddy_data:/data
+      - ./config:/etc/caddy
+      - ./data:/data
       - caddy_config:/config
     networks:
       - proxy
+    security_opt:
+      - no-new-privileges:true