PoC: docker base mssql server 실행 module 추가

poc/database/mssql/.gitignore

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+/data/
+/log/
+/secrets/

poc/database/mssql/README.md

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+# Mssql Database 생성
+
+## 참고 URL
+- [기본 설정](https://learn.microsoft.com/ko-kr/sql/linux/quickstart-install-connect-docker?view=sql-server-ver16&tabs=cli&pivots=cs1-bash)
+- [Volume 설정](https://learn.microsoft.com/ko-kr/sql/linux/sql-server-linux-docker-container-configure?view=sql-server-ver16&pivots=cs1-bash#persist)
+
+## 실행 방법
+1. docker-compose.yml 경로 진입
+2. 명령어 수행
+- 실행
+```shell
+docker compose up -d
+```
+- 종료
+```shell
+docker compose down
+```
+- 로그 확인
+```shell
+docker logs -f mssql
+```
+
+## Description
+- disk/ram 최소 2GB 필요
+- docker-compose.yml
+```yml
+version: '3.8' # docker compose version
+services:
+  mssql:
+    container_name: mssql # docker container 이름
+    image: "mcr.microsoft.com/mssql/server:2022-latest" # mssql 이미지 - 기본 설정 가이드 참고
+    restart: always
+    ports:
+      - "1401:1433" # 1401: 호스트 포트, 1433: 컨테이너 포트 - localhost:1401 호스트 포트로 접근하면 됨
+    volumes: # 컨테이너 볼륨 마운트
+      - ./data:/var/opt/mssql/data
+      - ./log:/var/opt/mssql/log
+      - ./secrets:/var/opt/mssql/secrets
+    environment:
+      - ACCEPT_EULA=Y
+      - MSSQL_SA_PASSWORD=StrongPassword123! # sa 초기 password
+```

poc/database/mssql/docker-compose.yml

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+version: '3.8'
+services:
+  mssql:
+    container_name: mssql
+    image: "mcr.microsoft.com/mssql/server:2022-latest"
+    restart: always
+    ports:
+      - "1401:1433"
+    volumes:
+      - ./data:/var/opt/mssql/data
+      - ./log:/var/opt/mssql/log
+      - ./secrets:/var/opt/mssql/secrets
+    environment:
+      - ACCEPT_EULA=Y
+      - MSSQL_SA_PASSWORD=StrongPassword123!