# ============================================
# 服务构建 Dockerfile
# 基于依赖基础镜像，快速编译服务
# ============================================

# 构建参数
ARG DEPS_IMAGE=aiot-deps:latest

# ============ 构建阶段 ============
FROM ${DEPS_IMAGE} AS builder

ARG MODULE_NAME
ARG JAR_NAME
ARG SKIP_TESTS=true

WORKDIR /build

# 复制最新源代码（覆盖基础镜像中的代码）
COPY . .

# 构建应用
RUN echo "========================================" && \
    echo "🔨 Building module: ${MODULE_NAME}" && \
    echo "📦 JAR name: ${JAR_NAME}" && \
    echo "⏭️  Skip tests: ${SKIP_TESTS}" && \
    echo "========================================" && \
    mvn package -pl ${MODULE_NAME} -am \
        -DskipTests=${SKIP_TESTS} \
        -B \
        --no-transfer-progress && \
    echo "✅ Build completed successfully!" && \
    ls -lh ${MODULE_NAME}/target/*.jar

# ============ 运行阶段 ============
FROM eclipse-temurin:17-jre-alpine

# 安装必要工具
RUN apk add --no-cache wget curl

# 构建参数
ARG MODULE_NAME
ARG JAR_NAME
ARG APP_PORT=48080

# 元数据标签
LABEL maintainer="XW-AIOT Team"
LABEL service="${MODULE_NAME}"

# 创建非 root 用户
RUN addgroup -g 1000 appuser && \
    adduser -D -u 1000 -G appuser appuser

# 创建应用目录
RUN mkdir -p /app/logs /app/config && \
    chown -R appuser:appuser /app

WORKDIR /app

# 从构建阶段复制 JAR 文件
COPY --from=builder --chown=appuser:appuser /build/${MODULE_NAME}/target/${JAR_NAME}.jar app.jar

# 切换到非 root 用户
USER appuser

# 环境变量
ENV TZ=Asia/Shanghai \
    JAVA_OPTS="-Xms256m -Xmx512m -XX:+UseG1GC -XX:MaxGCPauseMillis=200" \
    SPRING_PROFILES_ACTIVE=prod

# 暴露端口
EXPOSE ${APP_PORT}

# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:${APP_PORT}/actuator/health || exit 1

# 启动应用
ENTRYPOINT ["sh", "-c", "java ${JAVA_OPTS} -jar app.jar"]