restructured code

docker-compose.yml

@@ -1,18 +0,0 @@
-version: '3.3' # 表示该 Docker-Compose 文件使用的是 Version 2 file
-services:
-  web:  # 指定服务名称
-    build: .  # 指定 Dockerfile 所在路径
-    ports:    # 指定端口映射
-      - "5001:5000"
-  task:
-    image: crawlab:v3
-  db:
-    image: mongo
-    restart: always
-    ports:
-      - "27017:27017"
-  redis:
-    image: redis
-    restart: always
-    ports:
-      - "6379:6379"