# ============================================================
# Multi-stage Dockerfile for wm-base (核心基础服务)
# Build: docker build -t water/wm-base --build-arg MODULE=wm-base .
# ============================================================

# ---------- Stage 1: Build ----------
FROM maven:3.9-eclipse-temurin-17 AS builder

WORKDIR /build

# Copy parent POM and all module POMs first (dependency caching)
COPY pom.xml ./
COPY wm-common/pom.xml wm-common/
COPY wm-gateway/pom.xml wm-gateway/
COPY wm-base/pom.xml wm-base/
COPY wm-iot/pom.xml wm-iot/
COPY wm-data-engine/pom.xml wm-data-engine/
COPY wm-bpm/pom.xml wm-bpm/
COPY wm-bpm-engine/pom.xml wm-bpm-engine/
COPY wm-production/pom.xml wm-production/
COPY wm-revenue/pom.xml wm-revenue/
COPY wm-patrol/pom.xml wm-patrol/
COPY wm-bi/pom.xml wm-bi/
COPY wm-notify/pom.xml wm-notify/
COPY wm-job/pom.xml wm-job/
COPY wm-dispatch/pom.xml wm-dispatch/
COPY wm-system/pom.xml wm-system/
COPY wm-mobile-app/pom.xml wm-mobile-app/
COPY wm-config/pom.xml wm-config/
COPY wm-dma/pom.xml wm-dma/

# Download dependencies (cached layer)
RUN mvn dependency:go-offline -B 2>/dev/null || true

# Copy all source code
COPY . .

# Build the target module and its dependencies
ARG MODULE=wm-base
RUN mvn clean package -pl ${MODULE} -am -DskipTests -B

# ---------- Stage 2: Runtime ----------
FROM eclipse-temurin:17-jre-alpine

LABEL maintainer="water-management-team"
LABEL description="智慧水务管理系统 - 应用服务"

RUN apk add --no-cache curl tzdata \
    && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
    && echo "Asia/Shanghai" > /etc/timezone

WORKDIR /app

ARG MODULE=wm-base
ARG PORT=8081

COPY --from=builder /build/${MODULE}/target/${MODULE}-*.jar app.jar

EXPOSE ${PORT}

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -sf http://localhost:${PORT}/actuator/health || exit 1

ENTRYPOINT ["java", "-Xms256m", "-Xmx512m", "-Djava.security.egd=file:/dev/./urandom", "-jar", "app.jar"]