SSH public key certificate used to authenticate with the VM through ssh. The key needs to be at least 2048-bit and in ssh-rsa format. For creating ssh keys, see Create SSH keys on Linux and Mac for Linux VMs in Azurehttps://docs.microsoft.com/azure/virtual-machines/linux/create-ssh-keys-detailed).
Specifies the full path on the created VM where ssh public key is stored. If the file already exists, the specified key is appended to the file. Example: /home/user/.ssh/authorized_keys