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# 注释: ENTRYPOINT 入口指令
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FROM ubuntu
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# ENTRYPOINT ["top"]
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# ENTRYPOINT ["top", "-b","-c"]
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ENTRYPOINT ["top"]
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CMD ["-c","-b"]
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# 构建镜像
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# docker build -f Dockerfile.ENTRYPOINT -t study.dockerfile.entrypoint:latest -t study.dockerfile.entrypoint:0.0.1 .
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# docker run -it --rm study.dockerfile.entrypoint
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# --entrypoint 覆盖 ENTRYPOINT指令
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# docker run -it --rm --entrypoint="ls" study.dockerfile.entrypoint
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# --entrypoint不能包含命令参数，如下是错误的
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# docker run -it --rm --entrypoint="top -b -c" study.dockerfile.entrypoint
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# --entrypoint不能包含命令里的参数，应该放在[COMMAND]位置，正确例子：
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# docker run -it --rm --entrypoint="top" study.dockerfile.entrypoint -b -c
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