Initialize a LUKS partition and the initial key slot (0) with a passphrase or keyfile. Note: This operation overwrites all data on the partition. More information: https://manned.org/cryptsetup-luksFormat.
cryptsetup luksFormat {{/dev/sdXY}}
cryptsetup luksFormat {{/dev/sdXY}} {{path/to/keyfile}}
cryptsetup luksFormat --label {{label}} {{/dev/sdXY}}