       default: "localhost",
       doc: "Database hostname for the WRITABLE connection",
       hidden: false,
+      env_var: "DATABASE_WRITE_HOSTNAME",
       to: "gatekeeper.Elixir.Gatekeeper.WriteRepo.hostname"
     ],
     "gatekeeper.Elixir.Gatekeeper.WriteRepo.template": [

    ],
    "guardian.Elixir.Guardian.secret_key": [
      commented: false,
      datatype: :atom,
      doc: "Provide documentation for guardian.Elixir.Guardian.secret_key here.",
      hidden: false,
      to: "guardian.Elixir.Guardian.secret_key"
    ],
  ],

      default: "gatekeeper",
      doc: "Database username for the READ ONLY connection",
      hidden: false,
      env_var: "DATABASE_READ_USERNAME",
      to: "gatekeeper.Elixir.Gatekeeper.Repo.username"
    ],
    "gatekeeper.Elixir.Gatekeeper.Repo.password": [
