Wordpress on Heroku
This is where changes to your Wordpress site are made. Changes committed to this directory will overwrite all the vendor defaults.
Generally, you'll be interested in adding plugins, adding themes, and modifying wordpress.conf.erb.
βββ config # Config files
βββ public # Public directory
βΒ Β βββ wp-content # Themes & plugins
βΒ Β βββ plugins
βΒ Β βββ themes
βββ vendor # Config files for vendored apps
βββ nginx
βΒ Β βββ conf # nginx.conf + wordpress.conf.erb
βββ php # php.ini
βββ etc # php-fpm.conf
For everything you ever wanted to know about running Wordpress on Heroku, check out my heroku-buildpack-wordpress.