perf: multi-stage Dockerfile + remove Maven from CI — Docker layer caching instead
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+17
-10
@@ -1,17 +1,24 @@
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# 使用官方 OpenJDK 作为基础镜像
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FROM eclipse-temurin:17-jre
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# 设置工作目录
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# Stage 1: Maven 构建(Docker 层缓存自动缓存依赖)
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FROM maven:3.9-eclipse-temurin-17 AS builder
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WORKDIR /app
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# 拷贝打包好的 JAR 文件到容器
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COPY target/LPT.jar LPT.jar
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# 先复制 pom.xml,单独一层 —— 只要依赖不变,这层就被缓存
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COPY pom.xml .
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RUN mvn dependency:go-offline -B -q
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# 再复制源码构建
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COPY src/ ./src/
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RUN mvn package -DskipTests -B -q
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# Stage 2: 运行时(精简 JRE)
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FROM eclipse-temurin:17-jre
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WORKDIR /app
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COPY --from=builder /app/target/LPT.jar LPT.jar
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# 暴露应用运行的端口
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EXPOSE 8888
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# 启动应用
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ENTRYPOINT ["java", "-jar", "LPT.jar"]
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# 健康检查
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HEALTHCHECK --interval=10s --timeout=5s CMD curl --fail http://localhost:8888/actuator/health || exit 1
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HEALTHCHECK --interval=10s --timeout=5s \
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CMD curl --fail http://localhost:8888/actuator/health || exit 1
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