find . -type f -exec chmod 644 {} \;                        # 644 permission for files

find . -type d -exec chmod 755 {} \;                       # 755 permission for directory 

find ./var -type d -exec chmod 777 {} \;                # 777 permission for var folder    

find ./pub/media -type d -exec chmod 777 {} \;

find ./pub/static -type d -exec chmod 777 {} \;

chmod 777 ./app/etc

chmod 644 ./app/etc/*.xml

chown -R :www .

chmod u+x bin/magento