postland/lib/postland_web/controllers/webfinger_json.ex

defmodule PostlandWeb.WebfingerJSON do
  use Phoenix.VerifiedRoutes, endpoint: PostlandWeb.Endpoint, router: PostlandWeb.Router

  alias Postland.Accounts

  def render("webfinger.json", _assigns) do
    user = Accounts.solo_user()

    %{
      subject: "acct:#{user.username}@#{PostlandWeb.Endpoint.host()}",
      links: [
        %{
          "rel" => "self",
          "type" => "application/activity+json",
          "href" => url(~p"/actor")
        },
        %{
          "rel" => "http://webfinger.net/rel/profile-page",
          "type" =>"text/html",
          "href" =>  url(~p"/about")
        }
      ]
    }
  end
end