
DevotionGeo
Can someone explain the -t option/flag in docker run command?
I know that -t
flag is used along with -i
flag for getting an interactive shell. But I cannot digest what the man page for docker run command says about this flag, which is the following,
-t, --tty=true|false
Allocate a pseudo-TTY. The default is false.
When set to true Docker can allocate a pseudo-tty and attach to the standard input of
any container. This can be used, for example, to run a throwaway interactive shell.
The default is false.
The -t option is incompatible with a redirection of the docker client standard input.
Things like pseudo-TTY
or “attaching to the standard input”. So if this interactive shell isn’t the standard input for docker container, what is actually the standard input, to which it attaches?
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