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# syntax=docker/dockerfile:1
# --------------------------------------------------
# 1. Build stage
# --------------------------------------------------
FROM eclipse-temurin:25-jdk AS builder
WORKDIR /workspace
# Gradle Wrapper와 빌드 설정을 먼저 복사해
# 애플리케이션 소스 변경 시 의존성 레이어를 재사용한다.
COPY gradlew .
COPY gradle gradle
COPY build.gradle settings.gradle ./
RUN chmod +x gradlew \
&& ./gradlew dependencies --no-daemon
# 소스 코드 복사 및 실행 가능한 Spring Boot JAR 생성
COPY src src
RUN ./gradlew clean bootJar --no-daemon
# --------------------------------------------------
# 2. Runtime stage
# --------------------------------------------------
FROM eclipse-temurin:25-jre
WORKDIR /app
RUN apt-get update \
&& apt-get install -y --no-install-recommends curl \
&& rm -rf /var/lib/apt/lists/*
COPY --from=builder \
--chown=10001:10001 \
/workspace/build/libs/app.jar \
/app/app.jar
USER 10001
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "/app/app.jar"]