version: '3.8'

services:
  nginx:
    image: nginx:stable
    container_name: nginx
    restart: always
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro       # ro: readOnly
      # - ./static:/usr/share/nginx/html:ro               # 정적 파일 서빙
      # - ./nginx/certs:/etc/nginx/certs:ro               # SSL 인증서
    depends_on:
      - backend

  backend:
    image: your-backend-image    # ex: junhyunny/my-spring-app
    container_name: backend
    restart: always
    ports:
      - "8080:8080"              # 내부 통신용
    environment:
      - SPRING_PROFILES_ACTIVE=prod

• nginx.conig