rec {
  deadbeef = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDhiGLc/whCY3lCmDiRlYnMJOLiO/gvcRj/sKVEFVAhQ pazpi@deadbeef";
  colmena = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIG2r9aO4pty4j2dgRIKe68DPPwdtZBEDlz54F2VBdKcg pazpi@colmena";

  ai = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAm5OG80MtjLCEnibCTgW1oeVRmVYVlVwf28HZAWQZE6 ai";

  # The key are found executing `ssh-keyscan <ip-address>`
  machines = {
    arr = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICjAFjbSGaeWnImPFBEQ/PeGz7hgpLhUYgZg5Hb/JJ42";
    caddy = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINfgwx+fiwkMAhzdS3WhoeoIGowKgwem8HB/NCyF60Ff";
    metrics = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIFRY4bpw1gCJAWMtBTSm2/09gcniFkSyCKCKPyGHVbr";
    nextcloud = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGYobAlQ9tPKjyh7eE2Ku81ZiMY6OWd3ELDqo+xBmjbC";
    vaultwarden = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOW9uYQpPMiKvI/KFRvd/5f9J8a0zLaQxstWRI8VNObV";
    plex = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINp9itRJGSSVWLxwrcudyGUNOOKl+qqtf+IzLHrhffyt";
    portainer = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMgg4SKMCw2/21l1crY7trFnrCmNSrkYPl3vEDnJ8aQn";
    auth = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFsSQbXHRt+MpUh+YQxd5p6YPnbbWR/4ylz/pXjdZ9Bs";
    dns01 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII7BdiP/dCE6FHoJylcBKQ5AXz06UpLHNyeuvfLVccSi";
    dns02 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJ+HIq6/ebjiv71xDozdOTn5AdnXgr1fGqIzXnH7Not+";
    shadowsocks = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINQ4qYaS5ccciH7BNyrF5+J3d4JtHJNr1R256/ulEtxl";
    firefly-iii = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGYkXjRqmuTMg56EmAx8s1M/VQojM7akF/ao+jJLYgFB";
    paperless = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILRNgDyk3TuMooG4ZCv7SOgXh0ql1/1hhhng7uSnsLeK";
    zigbee2mqtt = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINN0z+RxfAIARVMFgtF9olJrL5lt95IoC0Mtzg0MKd3g";
    forgejo = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIO0MTOCgMoAFjYDEq1gU+XBSUNNcJenoHXagOgFuP1ZN";
  };

  # Machines able to provisioning other machines
  provisioning-machine = [
    colmena
    deadbeef
  ];

  # Machines able to login with other machines
  infra-core = [
    ai
  ]
  ++ provisioning-machine;

  # Machines in tailscale network
  tailscale-machine = [
    machines.arr
    machines.auth
    machines.caddy
    machines.metrics
    machines.shadowsocks
  ];

  # Machines provisioned with Colmena
  infra-machine = [
    machines.arr
    machines.caddy
    machines.metrics
    machines.nextcloud
  ];

}