RaspberryPi auto mount

To find a user's UID or GID in Unix, use the id command. To find a specific user's UID, at the Unix prompt, enter:

id -u username

Replace username with the appropriate user's username. To find a user's GID, at the Unix prompt, enter:

id -g username 
UUID=D9B8-B25E  /var/www/hdd    vfat  defaults,noatime,rw,auto,user,users,uid=1002,gid=1005  0   0

save and restart the system