anchor.diff:  This creates a key pair: `do-key` (private key) and
   `do-key.pub` (public key).
   
  +[[procedure]]
   == Procedure
   
   Get all Terraform modules:
  
positive.code: 
  dns_domain = "nemerosa.net"
  dns_domain_names = [
     "ontrack.ci"
  ]
  ----
  
negative.code: 
  :toc:
  
  [[configuration]]
  == Configuration
  
  Create a `terraform.tfvars` file with following values:
  