brew install --cask ibm-cloud-cli

brew install --cask ibm-cloud-cli 
==> Downloading https://download.clis.cloud.ibm.com/ibm-cloud-cli/2.9.0/IBM_Cloud_CLI_2.9.0.pkg
Already downloaded: /Users/your-user/Library/Caches/Homebrew/downloads/a2bc49dcf3061d83084791c8d97a8ab1c3323cf32e075b6bb50139554f145ab0-- IBM_Cloud_CLI_2.9.0.pkg 
==> Installing dependencies: docker
==> Downloading https://desktop.docker.com/mac/main/arm64/84025/Docker.dmg
Already downloaded: /Users/your-user/Library/Caches/Homebrew/downloads/d9c368d05f14541ff932756cb80438e41867649d518f82fa331948cf0b5ad2a1-- 
Docker.dmg
==> Installing Cask docker
==> Purging files for version 4.11.1,84025 of Cask docker
Error: It seems there is already an App at '/Applications/Docker.app'.

See also

• ibmcloud [ login | ls | regions | cos | dev | plugin ], ibmcloud --help [ install, ...]