62 lines
1.4 KiB
Docker
62 lines
1.4 KiB
Docker
# 使用多阶段构建优化镜像大小
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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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# 复制Maven配置文件
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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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# 下载依赖（利用Docker缓存层）
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RUN ./mvnw dependency:go-offline -B
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# 复制源代码
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COPY src ./src
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# 构建应用
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RUN ./mvnw clean package -DskipTests
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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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# 安装curl用于健康检查
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RUN apk add --no-cache curl
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# 设置时区
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ENV TZ=Asia/Shanghai
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RUN apk add --no-cache tzdata && \
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ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
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# 创建非root用户
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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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# 创建日志目录
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RUN mkdir -p /app/logs && chown -R spring:spring /app
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# 切换到非root用户
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USER spring
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# 暴露端口
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EXPOSE 8080
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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/api/health || exit 1
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# JVM调优参数
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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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