optimize docker-compose config to export backend to out network

config.yaml.sample

@@ -61,4 +61,5 @@ MySQL: # MySQL数据库
 Redis:
   Host: redis:6379
   Password: 
-  DB: 
+  DB: 
+  

docker-compose.yaml

@@ -52,7 +52,7 @@ services:
       - ./config.yaml.sample:/app/paopao-ce/config.yaml
       - ./data/paopao-ce/data:/app/paopao-ce/data
     ports:
-      - 127.0.0.1:8008:8008
+      - 8008:8008
     networks:
       - paopao-network