If you are using Mac OS X and install Drush 9 and want to use MAMP for your development, you will need to do a bit of extra work to get it working.
If you do not have Drush 9 installed, see how to install it here https://suesdesign.co.uk/install-composer-and-drush-on-mac-os-x/. You will also need to start MAMP and have Drupal 8 installed. […]
You can download and install composer using instructions here: https://getcomposer.org/download/.
Alternatively you can install composer using Homebrew. Homebrew makes it easy to install software and manage updates. You can find instructions on how to install Homebrew here: https://suesdesign.co.uk/install-sass-node-js-and-grunt-on-mac-os-x/ […]