Allow header 추가 및 Docker entrypoint 수정

[AhnJoonSung]

🔧 변경 내용 (What)

1. CORS 설정에 127.0.0.1 추가

   • 로컬 개발 환경에서 IP 주소로 접근할 경우를 지원하기 위해
     Access-Control-Allow-Origin 설정에 '127.0.0.1'을 추가했습니다.

2. 컨테이너 Entrypoint에 migrate 명령어 추가

   • 서비스 시작 시 자동으로 DB 마이그레이션이 수행되도록 설정

[Copilot]

Pull Request Overview

This PR adds the IP "127.0.0.1" to the ALLOWED_HOSTS configuration and updates the Docker container entrypoint to execute database migrations automatically.

• Updated CORS settings by enabling "127.0.0.1" as an allowed host.
• Modified the Docker entrypoint to run migration commands on startup.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
utils/entrypoint.sh	Added commands to run database migrations on container startup.
config/settings.py	Updated ALLOWED_HOSTS to include "127.0.0.1".

Comments suppressed due to low confidence (1)

utils/entrypoint.sh:13

• Running 'makemigrations' automatically in a production or container startup script may lead to unintended migration file creation; consider generating migrations during development instead.

python manage.py makemigrations