mkdir /mnt/docs
chown www-data:www-data /mnt/docs
ls -l /mnt

drwxr-xr-x 2 www-data www-data 4096 Jan  6 01:14 docs
drwxr-xr-x 2 root     root     4096 Dec  8 21:46 cdrom

mount -t cifs //192.168.1.10/Public/Documents/Docs -o username=****,password="****" /mnt/docs
ls -l /mnt

drwxr-xr-x 2 root root    0 Jan 12 02:51 docs
drwxr-xr-x 2 root root 4096 Dec  8 21:46 cdrom

chown -h www-data:www-data /mnt/docs
ls -l /mnt

drwxr-xr-x 2 root root    0 Jan 12 02:51 docs
drwxr-xr-x 2 root root 4096 Dec  8 21:46 cdrom

mount -t cifs
      -o username=****,password="****",uid=www-data
      //192.168.1.10/Public/Documents/Docs
      /mnt/docs