Docker hostname 변경

docker/dev/docker-compose.yml

@@ -1,7 +1,7 @@
 version: "3"
 
 services:
-  db:
+  learnsteam-db:
     image: mysql:latest
     environment:
       MYSQL_ROOT_PASSWORD: fbOgZ6Xxn5VXBYihjqygRXyaK6ZUgKL6
@@ -10,7 +10,7 @@ services:
       - "33062:3306"
     volumes:
       - db-learnsteam-quiz:/var/lib/mysql
-  app:
+  learnsteam-quiz:
     build:
       context: ../../
       dockerfile: docker/dev/Dockerfile
@@ -18,13 +18,13 @@ services:
     ports:
       - "3100:3100"
     environment:
-      DB_HOST: db
+      DB_HOST: learnsteam-db
       DB_PORT: 3306
       DB_USER: root
       DB_PASSWORD: fbOgZ6Xxn5VXBYihjqygRXyaK6ZUgKL6
       DB_NAME: learnsteam_quiz
     depends_on:
-      - db
+      - learnsteam-db
     restart: always
 volumes:
   db-learnsteam-quiz: