# add diskSizeGB to the template
          "osDisk": {
                "diskSizeGB": 255,
                "createOption": "FromImage"
            },
ubuntu@oom-auto-deploy:~$ df
Filesystem     1K-blocks    Used Available Use% Mounted on
udev            65989400       0  65989400   0% /dev
tmpfs           13201856    8848  13193008   1% /run
/dev/sda1      259142960 1339056 257787520   1% /
tmpfs           66009280       0  66009280   0% /dev/shm
tmpfs               5120       0      5120   0% /run/lock
tmpfs           66009280       0  66009280   0% /sys/fs/cgroup
none                  64       0        64   0% /etc/network/interfaces.dynamic.d
/dev/sdb1      264091588   60508 250592980   1% /mnt
tmpfs           13201856       0  13201856   0% /run/user/1000
ubuntu@oom-auto-deploy:~$ free
              total        used        free      shared  buff/cache   available
Mem:      132018560      392336   131242164        8876      384060   131012328