h3 instances create my-vm \
  --image ubuntu-24.04 \
  --flavor m1.medium \
  --disk type=performance,size=80 \
  --network default \
  --public-ip auto \
  --ssh-key ~/.ssh/id_ed25519.pub \
  --user-data ./cloud-init.yaml

h3 instances list
h3 instances get my-vm
h3 instances stop my-vm
h3 instances start my-vm
h3 instances delete my-vm --force

h3 instances snapshot my-vm --name pre-upgrade
h3 instances restore my-vm --from pre-upgrade