$ firebase use --add ξ² β ξ² 17:37:51 ο
> ? Which project do you want to add? <environment-specific-project-name>
> ? What alias do you want to use for this project? (e.g. staging) <environment-alias>
> Created alias dev for <environment-specific-project-name>.
> Now using alias dev (<environment-specific-project-name>)
$ firebase deploy -P <environment-alias>