research docker compose install/config

[todd-dsm]

Installing Docker, et al...
+ brew install --cask docker
==> Downloading https://raw.githubusercontent.com/Homebrew/homebrew-cask/facdeb7469d922edbcc96e2d67312dd81a9d0c5f/Casks/d/docker.rb
==> Downloading https://desktop.docker.com/mac/main/arm64/145265/Docker.dmg
==> Installing Cask docker
==> Moving App 'Docker.app' to '/Applications/Docker.app'
==> Linking Binary 'docker-compose.fish-completion' to '/opt/homebrew/share/fish/vendor_completions.d/docker-compose.fish'
==> Linking Binary 'com.docker.cli' to '/usr/local/bin/com.docker.cli'
==> Linking Binary 'docker' to '/usr/local/bin/docker'
==> Linking Binary 'docker-compose' to '/usr/local/bin/docker-compose'
==> Linking Binary 'docker-credential-desktop' to '/usr/local/bin/docker-credential-desktop'
==> Linking Binary 'docker-credential-ecr-login' to '/usr/local/bin/docker-credential-ecr-login'
==> Linking Binary 'docker-credential-osxkeychain' to '/usr/local/bin/docker-credential-osxkeychain'
==> Linking Binary 'docker-index' to '/usr/local/bin/docker-index'
==> Linking Binary 'hub-tool' to '/usr/local/bin/hub-tool'
==> Linking Binary 'kubectl' to '/usr/local/bin/kubectl.docker'
==> Linking Binary 'docker.bash-completion' to '/opt/homebrew/etc/bash_completion.d/docker'
==> Linking Binary 'docker.zsh-completion' to '/opt/homebrew/share/zsh/site-functions/_docker'
==> Linking Binary 'docker.fish-completion' to '/opt/homebrew/share/fish/vendor_completions.d/docker.fish'
==> Linking Binary 'docker-compose.bash-completion' to '/opt/homebrew/etc/bash_completion.d/docker-compose'
==> Linking Binary 'docker-compose.zsh-completion' to '/opt/homebrew/share/zsh/site-functions/_docker-compose'
🍺  docker was successfully installed!
...
==> Caveats
Compose is a Docker plugin. For Docker to find the plugin, add "cliPluginsExtraDirs" to ~/.docker/config.json:
  "cliPluginsExtraDirs": [
      "/opt/homebrew/lib/docker/cli-plugins"
  ]