FROM eclipse-temurin:17-jre-alpine AS builder
WORKDIR /app
ARG JAR_FILE=target/scheduled-task-service-*.jar
COPY ${JAR_FILE} app.jar
RUN java -Djarmode=layertools -jar app.jar extract

FROM eclipse-temurin:17-jre-alpine
WORKDIR /app

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

# 设置时区
RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

# 复制层
COPY --from=builder /app/dependencies/ ./
COPY --from=builder /app/spring-boot-loader/ ./
COPY --from=builder /app/snapshot-dependencies/ ./
COPY --from=builder /app/application/ ./

# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:8088/actuator/health || exit 1

# JVM参数
ENV JAVA_OPTS="-Xms512m -Xmx1024m -XX:+UseG1GC -XX:+HeapDumpOnOutOfMemoryError"

EXPOSE 8088

ENTRYPOINT ["sh", "-c", "java ${JAVA_OPTS} org.springframework.boot.loader.launch.JarLauncher"]