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Docker — русскоговорящее сообщество

Kirill Protopopov

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#backend #devops #docker #programming #russian

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13.12.2016

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Maxim Valeev · Accepted Answer

command Override the default command. command: bundle exec thin -p 3000 The command can also be a list, in a manner similar to dockerfile: и дальше CMD Note: Unlike the shell form, the exec form does not invoke a command shell. This means that normal shell processing does not happen. For example, CMD [ "echo", "$HOME" ] will not do variable substitution on $HOME. If you want shell processing then either use the shell form or execute a shell directly, for example: CMD [ "sh", "-c", "echo $HOME" ]. When using the exec form and executing a shell directly, as in the case for the shell form, it is the shell that is doing the environment variable expansion, not docker.

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