Permission for normal user access on nginx upload folder

gistfile1.txt

# Create group name  normaluser-web
sudo groupadd normaluser-web
# Add normal user to group 
usermod -a -G normaluser-web normaluser
# Add www-data to group 
usermod -a -G normaluser-web www-data
# Set ownship folder to user with new group
chown -R normaluser:normaluser-web upload/
# Set 775 to www-data can write too.
chmod  775 upload/

# https://perishablepress.com/upload-large-files/