ex_trainer/priv/repo/migrations/20210622015725_create_users_table.exs

defmodule Wabanex.Repo.Migrations.CreateUsersTable do
  use Ecto.Migration

  def change do
    create table(:users) do
      add :email, :string, null: false
      add :name, :string, null: false
      add :password, :string, null: false

      timestamps()
    end

    create unique_index(:users, [:email])
  end
end