更新 Dockerfile
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Dockerfile
48
Dockerfile
@ -1,42 +1,6 @@
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# 使用多阶段构建优化镜像大小 - 修复FROM语句大小写
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FROM amazoncorretto:17-alpine-jdk AS builder
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# 设置工作目录
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WORKDIR /app
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# 设置Maven镜像源(提高下载速度)
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RUN mkdir -p /root/.m2 && \
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echo '<?xml version="1.0" encoding="UTF-8"?>' > /root/.m2/settings.xml && \
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echo '<settings>' >> /root/.m2/settings.xml && \
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echo ' <mirrors>' >> /root/.m2/settings.xml && \
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echo ' <mirror>' >> /root/.m2/settings.xml && \
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echo ' <id>aliyun</id>' >> /root/.m2/settings.xml && \
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echo ' <name>Aliyun Central</name>' >> /root/.m2/settings.xml && \
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echo ' <url>https://maven.aliyun.com/repository/central</url>' >> /root/.m2/settings.xml && \
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echo ' <mirrorOf>central</mirrorOf>' >> /root/.m2/settings.xml && \
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echo ' </mirror>' >> /root/.m2/settings.xml && \
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echo ' </mirrors>' >> /root/.m2/settings.xml && \
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echo '</settings>'
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# 复制Maven配置文件和脚本(利用Docker缓存)
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COPY pom.xml .
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COPY .mvn .mvn
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COPY mvnw .
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# 给mvnw脚本添加执行权限
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RUN chmod +x ./mvnw
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# 首先只下载依赖(利用Docker层缓存)
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RUN ./mvnw dependency:resolve -B -q
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# 复制源代码
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COPY src ./src
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# 构建应用(简化构建过程)
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RUN ./mvnw clean package -DskipTests -B -q
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# 运行时镜像 - 使用更小的Alpine镜像
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FROM amazoncorretto:17-alpine
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# 方案3:使用本地已有的镜像(你的服务器上已有 amazoncorretto:17-alpine-jdk)
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# 直接使用现有镜像作为运行时镜像,简化构建过程
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FROM amazoncorretto:17-alpine-jdk
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# 安装curl用于健康检查
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RUN apk add --no-cache curl
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@ -52,8 +16,8 @@ RUN addgroup -g 1000 spring && adduser -u 1000 -G spring -s /bin/sh -D spring
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# 创建应用目录
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WORKDIR /app
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# 从构建阶段复制jar文件
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COPY --from=builder /app/target/*.jar app.jar
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# 直接复制已构建的jar文件(在Jenkins中已经通过Maven构建完成)
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COPY target/*.jar app.jar
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# 创建日志目录
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RUN mkdir -p /app/logs && chown -R spring:spring /app
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@ -72,4 +36,4 @@ HEALTHCHECK --interval=30s --timeout=3s --start-period=60s --retries=3 \
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ENV JAVA_OPTS="-server -Xms256m -Xmx512m -XX:+UseG1GC -XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0"
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# 启动应用
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ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -Djava.security.egd=file:/dev/./urandom -jar app.jar"]
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ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -Djava.security.egd=file:/dev/./urandom -jar app.jar"]
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