fix

app/controllers/users_controller.rb

@@ -3,7 +3,18 @@ class UsersController < ApplicationController
     @user = User.new
   end
 
-  def login
-    @user = User.new
+  def create
+    @user = User.new(user_params)
+    if @user.save
+      # TODO
+    else
+      render 'new'
+    end
+  end
+
+  private
+
+  def user_params
+    params.require(:user).permit(:email, :password)
   end
 end

config/routes.rb

@@ -3,6 +3,8 @@ Rails.application.routes.draw do
 
   get 'static_pages/home'
   get '/register', to: 'users#new'
+  post '/register', to: 'users#create'
+
   get '/cities', to: 'cities#show'
   get '/categories', to: 'categories#show'