analytics/priv/repo/migrations/20190618165016_add_public_sites.exs

defmodule Plausible.Repo.Migrations.AddPublicSites do
  use Ecto.Migration
  @host Application.get_env(:plausible, :url, :host)

  def change do
    alter table(:sites) do
      add :public, :boolean, null: false, default: false
    end

    execute "update sites set public=true where domain='#{@host}'"
  end
end