Magento File Permission

cd
sudo. -type f -exec chmod 644 {} ; // 644 permission for files
sudo . -type d -exec chmod 755 {} ; // 755 permission for directory
sudo ./var -type d -exec chmod 770 {} ; // 770 permission for var folder
sudo ./pub/media -type d -exec chmod 770 {} ;
sudo ./pub/static -type d -exec chmod 770 {} ;
chmod 770 ./app/etc
chmod 644 ./app/etc/*.xml
chown -R :www-data .
chmod u+x bin/magento