Add watchtower, fixes and prepare for new caddy handling

webdis/docker-compose.yml

@@ -2,21 +2,28 @@ services:
   webdis:
     image: nicolas/webdis:latest
     restart: always
+    labels:
+      com.centurylinklabs.watchtower.enable: true
     command: /usr/local/bin/webdis /config/webdis.json
     volumes:
       - ./webdis.json:/config/webdis.json
     networks:
-      - shared
+      local-net:
+      services:
+        aliases:
+          - webdis
     depends_on:
       - redis
-    ports:
-      - "127.0.0.1:7379:7379"
 
   redis:
     image: redis:6.2.6
     restart: always
+    labels:
+      com.centurylinklabs.watchtower.enable: true
     networks:
-      - shared
+      local-net:
 
 networks:
-  shared:
+  local-net:
+  services:
+    external: true