feat: frontend dropper 생성

.gitignore

 /database
 /redis/data
 /nginx/log
+/frontend
 
 /.env*
 !/.env.example

docker-compose.yml

 services:
+  frontend-dropper:
+    image: git.ajou.ac.kr:5050/meanspec/meanspec-frontend:latest
+    restart: "no"
+    volumes:
+      - ./frontend:/workdir
+      - ./frontend-dropper.sh:/entrypoint.sh
+    command: /entrypoint.sh
+
   nginx:
     image: return0927/nginx:1.19.3-hakase
     environment:
@@ -39,7 +47,8 @@ services:
       timeout: 5s
     volumes:
       - ./database:/var/lib/postgresql/data
-      - ./init/sql:/docker-entrypoint-initdb.d/
+      - ./init/sql/init.sql:/docker-entrypoint-initdb.d/init.sql
+      - ./init/sql/grant.sql:/always-initdb.d/grant.sql
     env_file: .env
     environment:
       TZ: Asia/Seoul

frontend-dropper.sh

+cp -r /app/* /workdir