Docker로 배포

# Dockerfile (멀티 스테이지 빌드)
FROM eclipse-temurin:17-jdk-alpine AS builder
WORKDIR /app
COPY gradlew .
COPY gradle gradle
COPY build.gradle settings.gradle .
RUN ./gradlew dependencies --no-daemon
COPY src src
RUN ./gradlew bootJar --no-daemon

FROM eclipse-temurin:17-jre-alpine
WORKDIR /app
COPY --from=builder /app/build/libs/*.jar app.jar
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "app.jar"]

# docker-compose.yml
version: "3.8"
services:
  app:
    build: .
    ports:
      - "8080:8080"
    environment:
      - SPRING_PROFILES_ACTIVE=prod
      - DB_URL=jdbc:mysql://db:3306/mydb
      - DB_USERNAME=${DB_USERNAME}
      - DB_PASSWORD=${DB_PASSWORD}
    depends_on:
      - db
    restart: unless-stopped

  db:
    image: mysql:8.0
    environment:
      MYSQL_DATABASE: mydb
      MYSQL_ROOT_PASSWORD: ${DB_PASSWORD}
    volumes:
      - mysql_data:/var/lib/mysql

volumes:
  mysql_data:

# 실행
docker compose up -d
docker compose logs -f app