# 多阶段构建优化Dockerfile - 多模块项目（网关）
FROM maven:3.9-eclipse-temurin-21 AS builder

WORKDIR /app

# 复制根POM和Maven包装器
COPY pom.xml .
COPY mvnw .
COPY mvnw.cmd .
COPY .mvn .mvn

# 复制所有子模块POM
COPY manage-common/pom.xml manage-common/
COPY manage-db/pom.xml manage-db/
COPY manage-sys/pom.xml manage-sys/
COPY manage-gateway/pom.xml manage-gateway/
COPY manage-notify/pom.xml manage-notify/
COPY manage-file/pom.xml manage-file/
COPY manage-audit/pom.xml manage-audit/
COPY manage-app/pom.xml manage-app/

# 下载依赖（利用Docker缓存层）
RUN ./mvnw dependency:go-offline -B

# 复制源码
COPY manage-common/src manage-common/src
COPY manage-db/src manage-db/src
COPY manage-sys/src manage-sys/src
COPY manage-gateway/src manage-gateway/src
COPY manage-notify/src manage-notify/src
COPY manage-file/src manage-file/src
COPY manage-audit/src manage-audit/src
COPY manage-app/src manage-app/src

# 构建manage-gateway模块
RUN ./mvnw clean package -DskipTests -pl manage-gateway -am

# 运行时镜像
FROM eclipse-temurin:21-jre-jammy

# 设置时区和语言环境
RUN apt-get update && apt-get install -y \
    curl \
    && rm -rf /var/lib/apt/lists/*

# 创建非root用户运行应用
RUN groupadd -r novalon && useradd -r -g novalon novalon

WORKDIR /app

# 复制构建产物
COPY --from=builder --chown=novalon:novalon /app/manage-gateway/target/*.jar app.jar

# 设置JVM参数优化
ENV JAVA_OPTS="-Xmx512m -Xms256m -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:+UseContainerSupport -Djava.security.egd=file:/dev/./urandom"

# 暴露端口
EXPOSE 8080

# 切换用户
USER novalon

# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:8080/actuator/health || exit 1

# 启动命令
ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]