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#指定基础镜像(一般指定程序所依赖的环境)
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#本例子是构建SpringBoot,所以指定的jdk环境变量
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FROM openjdk:17
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#添加维护者信息
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MAINTAINER author:chenyuepan
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MAINTAINER mail:3158614516@qq.com
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#将./hello-world.jar添加到容器的/opt目录中
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COPY ./venue_reservation_service-0.0.1-SNAPSHOT.jar /opt
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#指定dockerfile的命令在哪个目录下执行
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WORKDIR /opt
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#指定容器和外界交互的端口
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EXPOSE 9020
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#容器运行后执行的命令(该命令在WORKDIR指定的工作目录下执行)
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#注意：多个CMD指令只有最后一个会生效
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CMD java -jar venue_reservation_service-0.0.1-SNAPSHOT.jar
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#在构建镜像时执行的命令
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#我这边用它来打印java的环境变量
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RUN java -version
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#添加该镜像的元数据
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LABEL version="1.0" description="这是一个Web服务器" by="edc"
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