class AddAdminToUsers < ActiveRecord::Migration[5.0]
  def change
    add_column :users, :admin, :boolean
  end
end

class AddAdminToUsers < ActiveRecord::Migration[5.0]
  def change
    add_column :users, :admin, :boolean, default: false
  end
end

Add admin status to false by default when creating a user
Add admin status to false by default when creating a user
