mobilizon.chapril.org-mobilizon/priv/repo/migrations/20180110093906_create_events_tags.exs

defmodule Eventos.Repo.Migrations.CreateEventsTags do
  use Ecto.Migration

  def change do
    create table(:events_tags, primary_key: false) do
      add :event_id, references(:events)
      add :tag_id, references(:tags)
    end
  end
end