water-management-system/Dockerfile.patrol

# ============================================================
# wm-patrol 巡检服务 Dockerfile (Multi-stage)
# Build: docker build -t water/wm-patrol -f Dockerfile.patrol .
# ============================================================

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

WORKDIR /build

# Copy parent POM and module POMs (dependency caching)
COPY pom.xml ./
COPY wm-common/pom.xml wm-common/
COPY wm-patrol/pom.xml wm-patrol/

RUN mvn dependency:go-offline -pl wm-patrol -am -B 2>/dev/null || true

# Copy source
COPY wm-common/ wm-common/
COPY wm-patrol/ wm-patrol/

# Build
RUN mvn clean package -pl wm-patrol -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 - 巡检服务"

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

WORKDIR /app

COPY --from=builder /build/wm-patrol/target/wm-patrol-*.jar app.jar

EXPOSE 8087

HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -sf http://localhost:8087/actuator/health || exit 1

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