张翔
49 lines
1.1 KiB
Docker
49 lines
1.1 KiB
Docker
# 多阶段构建优化Dockerfile
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FROM maven:3.9-eclipse-temurin-21 AS builder
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WORKDIR /app
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# 复制Maven配置文件和源码
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COPY pom.xml .
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COPY mvnw .
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COPY mvnw.cmd .
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COPY .mvn .mvn
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# 下载依赖（利用Docker缓存层）
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RUN ./mvnw dependency:go-offline -B
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# 复制源码并构建
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COPY src ./src
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RUN ./mvnw clean package -DskipTests
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# 运行时镜像
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FROM eclipse-temurin:21-jre-jammy
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# 设置时区和语言环境
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RUN apt-get update && apt-get install -y \
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curl \
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&& rm -rf /var/lib/apt/lists/*
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# 创建非root用户运行应用
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RUN groupadd -r novalon && useradd -r -g novalon novalon
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WORKDIR /app
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# 复制构建产物
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COPY --from=builder --chown=novalon:novalon /app/target/*.jar app.jar
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# 设置JVM参数优化
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ENV JAVA_OPTS="-Xmx512m -Xms256m -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:+UseContainerSupport -Djava.security.egd=file:/dev/./urandom"
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# 暴露端口
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EXPOSE 8084
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# 切换用户
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USER novalon
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# 健康检查
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HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
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CMD curl -f http://localhost:8084/actuator/health || exit 1
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# 启动命令
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ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"] |