# ============================================
# Build stage with incremental cache support
# 支持多种国内镜像源
# ============================================

# 使用方式：
# docker build -t gateway:latest .                      # 默认使用阿里云
# docker build --build-arg REGISTRY=hub.c.163.com/library -t gateway:latest .  # 网易云
# docker build --build-arg SOURCE=distroless -t gateway:latest .               # Distroless

ARG SOURCE=aliyun
ARG REGISTRY=registry.aliyuncs.com/library

# ====== 阿里云源 ======
FROM ${REGISTRY}/maven:3.8-openjdk-8 AS builder-aliyun

ARG BUILD_NUMBER=local
ARG GIT_COMMIT=unknown
ARG MAVEN_OPTS=-Dmaven.wagon.http.ssl.insecure=true

ENV MAVEN_OPTS="${MAVEN_OPTS}"

WORKDIR /build

COPY pom.xml .
COPY shop-recycle-common/ shop-recycle-common/
COPY shop-recycle-gateway/ shop-recycle-gateway/
COPY shop-recycle-order-service/ shop-recycle-order-service/
COPY shop-recycle-payment-service/ shop-recycle-payment-service/

# Build common module first and install to local repository
RUN mvn clean install -pl shop-recycle-common \
    -DskipTests -B -q \
    -Dmaven.test.skip=true

RUN mvn dependency:go-offline -B -q

COPY shop-recycle-gateway/src shop-recycle-gateway/src

RUN mvn package -DskipTests -B -q \
    -pl shop-recycle-gateway \
    -am \
    -Dmaven.test.skip=true \
    -Ddocker.build.number=${BUILD_NUMBER} \
    -Dgit.commit=${GIT_COMMIT}

# ====== 取决于SOURCE参数的最终镜像 ======
FROM ${REGISTRY}/openjdk:8-jre-alpine

LABEL maintainer="shop-recycle"
LABEL service="shop-recycle-gateway"
LABEL build.number=${BUILD_NUMBER}
LABEL git.commit=${GIT_COMMIT}
LABEL mirror-source=${SOURCE}

ENV TZ=Asia/Shanghai
ENV JAVA_OPTS="-Xms256m -Xmx512m -XX:+UseG1GC -XX:MaxGCPauseMillis=200"

WORKDIR /app

COPY --from=builder-aliyun /build/shop-recycle-gateway/target/*.jar gateway.jar

EXPOSE 8080

# Alpine中使用wget（比curl轻量）
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1

ENTRYPOINT ["sh", "-c", "java ${JAVA_OPTS} -jar gateway.jar"]