Set appropriate permission for Drupal 8

d8.sh

#assuming centos user and apache
#in ubuntu, please use ubuntu:www-data
#chown -R ubuntu:www-data .

chown -R centos:apache .
find . -type d -exec chmod u=rwx,g=rx,o= '{}' \;
find . -type f -exec chmod u=rw,g=r,o= '{}' \;

#Ensure that the sites directory is proper
cd web/sites/

find . -type d -name files -exec chmod ug=rwx,o= '{}' \;
for d in ./*/files
do
   find $d -type d -exec chmod ug=rwx,o= '{}' \;
   find $d -type f -exec chmod ug=rw,o= '{}' \;
done