[Refactor] Remove unused environment variables in docker-compose.yml

Author: KOKEONHO

docker-compose.yml

@@ -5,12 +5,10 @@ services:
       - "8080:8080"
     env_file:
       - .env
-    environment:
-      - REDIS_HOST=redis
-      - REDIS_PORT=6379
     depends_on:
       - redis
     restart: always
+
   redis:
     image: redis:7-alpine
     command: [ "redis-server", "--requirepass", "${REDIS_PASSWORD}", "--appendonly", "yes" ]