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# --- Stage 1: Build Frontend (React) ---
FROM node:20-alpine AS builder-fe
WORKDIR /app-fe
# FE 의존성 설치
COPY frontend-react-src/package.json frontend-react-src/package-lock.json ./
RUN npm install
# FE 소스 복사 및 빌드
COPY frontend-react-src/ ./
RUN npm run build
# --- Stage 2: Build Backend (Spring Boot) ---
FROM gradle:8.14.3-jdk17 AS builder-be
WORKDIR /app-be
# BE 의존성 설치
COPY build.gradle settings.gradle ./
COPY gradlew ./
COPY gradle ./gradle
RUN ./gradlew dependencies
# BE 소스 복사
COPY src ./src
# (★) Stage 1(FE)의 빌드 결과물을 BE의 정적 리소스 경로로 복사
COPY --from=builder-fe /app-fe/build ./src/main/resources/static/app
# BE 빌드 (FE 파일이 포함된 JAR 생성)
RUN ./gradlew bootJar
# --- Stage 3: Final Runtime Image ---
FROM amazoncorretto:17
WORKDIR /app
# (★) Stage 2(BE)에서 빌드된 JAR 파일을 'app.jar'로 복사
COPY --from=builder-be /app-be/build/libs/*.jar app.jar
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "app.jar"]