HowTo: Create a local environment using MAMP
MAMP creates a local server environment on Mac OS X by installing PHP, MySQL, and Apache right out of the box. This will make Drupal much
Installing Drupal 7 on Mac OS X 10.13 (High Sierra)
Install Drupal7 in macOS High Sierra (10.13.6)
Postgres on Max OS X with MAMP
At the moment I'm running MAMP Pro, but the setup should work with MAMP free version as well.
HowTo: Installing ffmpeg-php extension for MAMP (Mac)
First of all point your php and phpize to your MAMP environment..