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# 使用Eclipse Temurin OpenJDK 17作为基础镜像(离线部署)
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FROM eclipse-temurin:17-jre-alpine
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# 设置工作目录
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WORKDIR /app
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# 设置时区为东八区
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ENV TZ=Asia/Shanghai
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RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
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# 安装curl用于健康检查和7-zip用于文件解压(可选)
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RUN apk add --no-cache curl p7zip
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# 设置构建参数
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ARG VERSION=1.0.0
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ARG BUILD_TIME=unknown
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ENV APP_VERSION=${VERSION}
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ENV BUILD_TIME=${BUILD_TIME}
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# 复制Maven构建的JAR文件
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COPY target/*.jar app.jar
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# 创建非root用户 (Alpine Linux)
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RUN addgroup -g 1001 -S appuser && adduser -S -D -H -u 1001 -s /sbin/nologin -G appuser -g appuser appuser
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# 创建必要的目录
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RUN mkdir -p /app/uploads /app/extracts /app/logs /app/config
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# 设置目录权限
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RUN chown -R appuser:appuser /app
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# 切换到非root用户
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USER appuser
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# 暴露端口
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EXPOSE 8080
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# 设置JVM参数
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ENV JAVA_OPTS="-Xmx1g -Xms512m -XX:+UseG1GC -XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0"
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# 健康检查
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HEALTHCHECK --interval=30s --timeout=3s --start-period=60s --retries=3 \
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CMD curl -f http://localhost:8080/health || exit 1
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# 启动应用
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ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]
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