34 lines
783 B
Docker
34 lines
783 B
Docker
# 多阶段构建 - 构建阶段
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FROM maven:3.8-eclipse-temurin-8 AS builder
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WORKDIR /app
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# 先复制pom.xml，利用Docker缓存下载依赖
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COPY pom.xml .
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RUN mvn dependency:go-offline -B
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# 复制源代码并构建
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COPY src ./src
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RUN mvn package -DskipTests -B
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# 运行阶段 - 使用Eclipse Temurin JRE镜像
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FROM eclipse-temurin:8-jre
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WORKDIR /app
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# 设置时区为中国
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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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# 从构建阶段复制jar包
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COPY --from=builder /app/target/*.jar app.jar
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# 暴露端口
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EXPOSE 8080
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# JVM优化参数（适合小内存设备如NAS）
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ENV JAVA_OPTS="-Xms128m -Xmx256m -XX:+UseG1GC -XX:MaxGCPauseMillis=100"
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# 启动命令
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ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]
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