- 1 year ago
docker error on windows : the input device is not a TTY. If you are using mintty, try prefixing the command with 'winpty'
The error message you're encountering, "the input device is not a TTY," usually occurs when you're trying to run Docker commands in a non-interactive context on Windows. This error often comes up when you're using a terminal that doesn't provide a TTY (Teletypewriter) interface, such as Git Bash or PowerShell.
To resolve this issue, you can follow these steps:
Using Git Bash: If you're using Git Bash, follow the advice in the error message and try prefixing the Docker command with
winpty
.For example, instead of:
bashdocker run -it <image>
Use:
bashwinpty docker run -it <image>
The
winpty
command is used to provide a TTY interface to non-TTY programs like Docker when using Git Bash.Using PowerShell: If you're using PowerShell, you can use the
--isolation
flag to specify a different isolation mode. This can sometimes resolve the TTY issue.For example:
bashdocker run --isolation process -it <image>
Use the Docker Desktop Terminal: If you're using Docker Desktop for Windows, try using the integrated terminal provided by Docker Desktop. It should automatically handle TTY interactions without requiring additional commands like
winpty
.Use Windows Command Prompt: Alternatively, you can use the Windows Command Prompt (cmd.exe) to run Docker commands. It usually doesn't require the
winpty
prefix.
Please note that Docker and Windows interactions can sometimes be sensitive to the terminal environment. If one solution doesn't work, try another or consider using the Docker Desktop terminal for a smoother experience.