Revert "add persistance to Postresql container" (#1251)

docker-compose.yml

@@ -3,13 +3,9 @@ services:
   db:
     restart: always
     image: postgres:alpine
-    volumes:
-      - ./postgres-data:/var/lib/postgresql/data
   redis:
     restart: always
     image: redis:alpine
-    volumes:
-      - ./redis:/data
   web:
     restart: always
     build: .