{
  nodes = {
    nut-gc2 = {
      hostname = "nut-gc2";
      zerotierIp = "10.222.0.87";
      sshHostKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN2WBYhGKSXSYWwISsY1osfliVSS9J+W6uHBid5i2qey root@nut-gc2";
    };

    penguin = {
      hostname = "penguin";
      zerotierIp = "10.222.0.249";
      sshHostKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF0NLOa9NNz7r3QODU0Oe/a5m+PFzcpM20aLwf+0wojT root@penguin";
    };
  };

  # User SSH public keys (named) for authorization and agenix recipients.
  userKeys = {
    yadunut = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJXOpmWsAnl2RtOuJJMRUx+iJTwf2RWJ1iS3FqXJFzFG yadunut";
    penguin-yadunut = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOEg5wsPLOZvU6lT8cMUsStQqalh/Hw5u104QhOYPS8E yadunut@penguin";
  };
}