run script

$ cp install-grav.sh your/folder/install/getgrav $ cd /your/folder/install/getgrav $ . install-grav.sh

Docker

if user docker, put this script into Docker/php folder.

Add in Dockerfile :

COPY ./install-grav.sh /var/www/install-grav.sh RUN chmod ugo+x /var/www/install-grav.sh

And build/run your docker, connect to your php docker and run this script.

Warning

This script change permissions and usergroups https://learn.getgrav.org/16/troubleshooting/permissions