FROM eclipse-temurin:17-jdk-alpine AS builder

WORKDIR /app

# 复制Maven相关文件
COPY pom.xml .
COPY src ./src

# 设置Maven镜像加速
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories

# 安装Maven
RUN apk add --no-cache maven

# 构建项目
RUN mvn clean package -DskipTests

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

WORKDIR /app

# 复制构建产物
COPY --from=builder /app/target/*.jar app.jar

# 安装curl用于健康检查
RUN apk add --no-cache curl

# 创建非root用户
RUN addgroup -g 1001 appgroup && \
    adduser -u 1001 -G appgroup -s /bin/sh -D appuser

USER appuser

EXPOSE 8084

# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:8084/actuator/health || exit 1

ENTRYPOINT ["java", "-jar", "-Xms256m", "-Xmx512m", "-XX:+UseG1GC", "app.jar"]