멀티 컨테이너 풀스택 환경 구축과 운영 — Docker Compose 완성하기

POSTGRES_DB=ncafedb
POSTGRES_USER=ncafeuser
POSTGRES_PASSWORD=ncafepassword123

version: '3.8'

services:
  db:
    image: postgres:17
    container_name: ncafe-db
    restart: always
    environment:
      POSTGRES_DB: ${POSTGRES_DB}
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
      interval: 5s
      timeout: 5s
      retries: 5

  backend:
    build: ./backend
    container_name: ncafe-backend
    restart: always
    environment:
      SPRING_DATASOURCE_URL: jdbc:postgresql://db:5432/${POSTGRES_DB}
      SPRING_DATASOURCE_USERNAME: ${POSTGRES_USER}
      SPRING_DATASOURCE_PASSWORD: ${POSTGRES_PASSWORD}
    depends_on:
      db:
        condition: service_healthy

  frontend:
    build: ./frontend
    container_name: ncafe-frontend
    restart: always
    environment:
      NEXT_PUBLIC_API_URL: http://backend:8080
    ports:
      - "3000:3000"
    depends_on:
      - backend

volumes:
  postgres_data:

docker compose up -d --build