class UsersController < ApplicationController def new @user = User.new end def create @user = User.new(user_params) if @user.save sign_in @user #redirect_to root_path else render 'new' end end def show @user = User.find(param[:id]) end private def user_params params.require(:user).permit(:name, :email, :user_name, :password, :password_confirmation) end end