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# —— 第一阶段Maven 构建 ——
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FROM maven:3.8.7-eclipse-temurin-17-alpine AS builder
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WORKDIR /workspace
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# 把项目级 settings.xml 复制到容器里
COPY .mvn/settings.xml /root/.m2/settings.xml
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# 1. 先只拷贝父 POM 及各模块的 pom.xml加速依赖下载
COPY pom.xml ./pom.xml
COPY group-buying-sys-api/pom.xml ./group-buying-sys-api/pom.xml
COPY group-buying-sys-domain/pom.xml ./group-buying-sys-domain/pom.xml
COPY group-buying-sys-infrastructure/pom.xml ./group-buying-sys-infrastructure/pom.xml
COPY group-buying-sys-trigger/pom.xml ./group-buying-sys-trigger/pom.xml
COPY group-buying-sys-types/pom.xml ./group-buying-sys-types/pom.xml
COPY group-buying-sys-app/pom.xml ./group-buying-sys-app/pom.xml
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# 离线下载所有依赖
RUN mvn dependency:go-offline -B
# 2. 拷贝所有源码
COPY . .
# 3. 只打包 main 应用模块(连带编译它依赖的模块),跳过测试,加速构建
RUN mvn \
-f pom.xml clean package \
-pl group-buying-sys-app -am \
-DskipTests -B
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# —— 第二阶段:运行时镜像 ——
FROM openjdk:8-jre-slim
LABEL maintainer="smile"
# 可选:设置时区
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ENV TZ=PRC
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RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
&& echo $TZ > /etc/timezone
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# 把构建产物拷过来
COPY --from=builder \
/workspace/group-buying-sys-app/target/group-buying-sys-app-*.jar \
/app.jar
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# 暴露端口,按需改
EXPOSE 8091
# 启动命令,可通过 -e JAVA_OPTS / -e PARAMS 传参数
ENV PARAMS=""
ENTRYPOINT ["sh","-c","java $JAVA_OPTS -jar /app.jar $PARAMS"]