This command is used for dev and it provides the following
- live reload of js, css and php
 - compiles sass
 - compiles js modules
 - image optimization
 - can add certs for ssl builds
 
gulp This command is used for production before project is pushed live and it provides the following
- clean dist folder
 - copy over current src scripts
 - minification of js and css
 - bust cache of scripts in functions.php
 
gulp prod