# Spring Boot 백엔드 배포용 Dockerfile
FROM eclipse-temurin:21-jdk-alpine AS build
WORKDIR /app

COPY gradlew ./
COPY gradle ./gradle
RUN chmod +x gradlew

COPY build.gradle settings.gradle ./
RUN ./gradlew dependencies --no-daemon || true

COPY src ./src
RUN ./gradlew bootJar --no-daemon

# Runtime image
FROM eclipse-temurin:21-jre-alpine AS runner
WORKDIR /app

RUN apk add --no-cache curl

COPY --from=build /app/build/libs/*.jar app.jar

RUN mkdir -p logs uploads data && \
    chown -R nobody:nobody /app && \
    chmod -R 755 /app

EXPOSE 8081
USER nobody
CMD ["java", "-jar", "app.jar"]