delete volum mapping and update readme

Author: GyeongHoKim

README.md

@@ -96,9 +96,11 @@ cd golang-rest-api-template
 3. Build and run the Docker containers
 
 ```bash
-make setup && make build && make up
+make up
 ```
 
+Please refer to the [Makefile](./Makefile) if you need to build in the local environment.
+
 ### Environment Variables
 
 You can set the environment variables in the `.env` file. Here are some important variables:

docker-compose.yml

@@ -6,8 +6,6 @@ services:
       dockerfile: Dockerfile
     ports:
       - 8001:8001
-    volumes:
-      - .:/app
     depends_on:
       - db
       - mongo