:fire: optimize: remove redundant command (#114)

docker-compose.yml

@@ -1,15 +1,14 @@
-version: '3'
+version: "3"
 services:
   redis4proxypool:
     image: redis:alpine
     container_name: redis4proxypool
-    command: redis-server
     ports:
       - "6374:6379"
     # restart: always
   proxypool:
     build: .
-    image: 'germey/proxypool'
+    image: "germey/proxypool"
     container_name: proxypool
     ports:
       - "5555:5555"
@@ -17,4 +16,4 @@ services:
     #    volumes:
     #      - proxypool/crawlers/private:/app/proxypool/crawlers/private
     environment:
-      REDIS_HOST: redis4proxypool
+      REDIS_HOST: redis4proxypool