How to enable arrow keys for Docker Desktop CLI?
I am able to start a command line interface (CLI) for a distinct docker container from within Docker Desktop:
If I press an arrow key inside the console window, strange character codes are shown, e.g. if I press the up key, instead of showing the last command, the characters "^[[A" are shown:
=> How can I permanently adapt the shell command?
I tried to set SHELL=/bin/bash in the system environment variables to use bash instead sh but that did not help.
Related:
docker exec bash in windows - keyboard arrow keys don't work
For support of arrow keys one needs bash instead of sh. However, bash is not supported by all docker images. I guess that's why docker does not have a configuration option to use bash as a default.
If bash is installed for a specific container, you can symlink sh to bash inside the container, so that bash is used by default. Open a container console and type:
ln -sf /bin/bash /bin/sh
Close the console and open it again. Now you are using bash, supporting arrow key actions.
It's possible to include that in the docker image as well.
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