Added ports to mysql

fix mailpit frontend UI endpoint

ensure we have GD correctly installed on Artisan too so Horizon can u…

…se it to crop images

upgrade MySql image version, use mailpit for emails, use GD instead o…

…f imagik, install more libraries

Update README.md

Add pear for slightly different setups

Update channels for pecl

add exif and limit php version

Update README.md

Update README.md