diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 66bd7e5..4f6f822 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,7 +2,14 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="42443dfa-4405-4cad-b0d1-6c57eb86e644" name="Default" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change beforePath="$PROJECT_DIR$/app/controllers/v1/articles_controller.rb" afterPath="$PROJECT_DIR$/app/controllers/v1/articles_controller.rb" />
+      <change beforePath="$PROJECT_DIR$/app/controllers/v1/items_controller.rb" afterPath="" />
+      <change beforePath="$PROJECT_DIR$/app/controllers/v1/todos_controller.rb" afterPath="" />
+      <change beforePath="$PROJECT_DIR$/app/models/article.rb" afterPath="$PROJECT_DIR$/app/models/article.rb" />
+      <change beforePath="$PROJECT_DIR$/app/models/user.rb" afterPath="$PROJECT_DIR$/app/models/user.rb" />
+      <change beforePath="$PROJECT_DIR$/config/routes.rb" afterPath="$PROJECT_DIR$/config/routes.rb" />
+      <change beforePath="$PROJECT_DIR$/db/schema.rb" afterPath="$PROJECT_DIR$/db/schema.rb" />
     </list>
     <ignored path="$PROJECT_DIR$/.bundle/" />
     <ignored path="$PROJECT_DIR$/components/" />
@@ -33,9 +40,19 @@
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
       <file leaf-file-name="articles_controller.rb" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/app/controllers/v1/articles_controller.rb">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="306">
+              <caret line="17" column="18" lean-forward="true" selection-start-line="17" selection-start-column="18" selection-end-line="17" selection-end-column="18" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="routes.rb" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/config/routes.rb">
           <provider selected="true" editor-type-id="text-editor">
             <state relative-caret-position="288">
-              <caret line="16" column="85" lean-forward="false" selection-start-line="16" selection-start-column="85" selection-end-line="16" selection-end-column="85" />
+              <caret line="16" column="0" lean-forward="false" selection-start-line="16" selection-start-column="0" selection-end-line="16" selection-end-column="0" />
               <folding />
             </state>
           </provider>
@@ -51,6 +68,66 @@
           </provider>
         </entry>
       </file>
+      <file leaf-file-name="20180222154430_create_comments.rb" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/db/migrate/20180222154430_create_comments.rb">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="72">
+              <caret line="4" column="46" lean-forward="false" selection-start-line="4" selection-start-column="46" selection-end-line="4" selection-end-column="46" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="comments_controller.rb" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/controllers/comments_controller.rb">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="288">
+              <caret line="16" column="12" lean-forward="false" selection-start-line="16" selection-start-column="12" selection-end-line="16" selection-end-column="12" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="comment.rb" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/models/comment.rb">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="72">
+              <caret line="4" column="0" lean-forward="false" selection-start-line="4" selection-start-column="0" selection-end-line="4" selection-end-column="0" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="article.rb" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/models/article.rb">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="36">
+              <caret line="2" column="20" lean-forward="false" selection-start-line="2" selection-start-column="20" selection-end-line="2" selection-end-column="20" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="user.rb" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/app/models/user.rb">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="90">
+              <caret line="5" column="20" lean-forward="false" selection-start-line="5" selection-start-column="20" selection-end-line="5" selection-end-column="20" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="20180219100642_create_articles.rb" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/db/migrate/20180219100642_create_articles.rb">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="90">
+              <caret line="5" column="43" lean-forward="false" selection-start-line="5" selection-start-column="24" selection-end-line="5" selection-end-column="43" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
     </leaf>
   </component>
   <component name="FindInProjectRecents">
@@ -95,8 +172,6 @@
         <option value="$PROJECT_DIR$/app/controllers/todos_controller.rb" />
         <option value="$PROJECT_DIR$/spec/requests/items_spec.rb" />
         <option value="$PROJECT_DIR$/db/migrate/20180219100239_create_articles.rb" />
-        <option value="$PROJECT_DIR$/app/models/article.rb" />
-        <option value="$PROJECT_DIR$/app/models/user.rb" />
         <option value="$PROJECT_DIR$/app/controllers/users_controller.rb" />
         <option value="$PROJECT_DIR$/app/controllers/application_controller.rb" />
         <option value="$PROJECT_DIR$/app/controllers/authentication_controller.rb" />
@@ -107,13 +182,17 @@
         <option value="$PROJECT_DIR$/app/controllers/articles_controller.rb" />
         <option value="$PROJECT_DIR$/app/controllers/v1/items_controller.rb" />
         <option value="$PROJECT_DIR$/app/controllers/v1/todos_controller.rb" />
-        <option value="$PROJECT_DIR$/config/routes.rb" />
         <option value="$PROJECT_DIR$/app/lib/api_version.rb" />
         <option value="$PROJECT_DIR$/app/controllers/v2/todos_controller.rb" />
         <option value="$PROJECT_DIR$/app/serializers/todo_serializer.rb" />
         <option value="$PROJECT_DIR$/app/controllers/v2/articles_controller.rb" />
         <option value="$PROJECT_DIR$/Gemfile" />
         <option value="$PROJECT_DIR$/app/serializers/article_serializer.rb" />
+        <option value="$PROJECT_DIR$/config/routes.rb" />
+        <option value="$PROJECT_DIR$/db/migrate/20180222154430_create_comments.rb" />
+        <option value="$PROJECT_DIR$/app/models/comment.rb" />
+        <option value="$PROJECT_DIR$/app/models/article.rb" />
+        <option value="$PROJECT_DIR$/app/models/user.rb" />
         <option value="$PROJECT_DIR$/app/controllers/v1/articles_controller.rb" />
       </list>
     </option>
@@ -168,7 +247,7 @@
               <item name="vereto-api" type="462c0819:PsiDirectoryNode" />
               <item name="app" type="462c0819:PsiDirectoryNode" />
               <item name="controllers" type="462c0819:PsiDirectoryNode" />
-              <item name="concerns" type="462c0819:PsiDirectoryNode" />
+              <item name="v1" type="462c0819:PsiDirectoryNode" />
             </path>
             <path>
               <item name="vereto-api" type="b2602c69:ProjectViewProjectNode" />
@@ -181,6 +260,12 @@
               <item name="vereto-api" type="462c0819:PsiDirectoryNode" />
               <item name="db" type="462c0819:PsiDirectoryNode" />
             </path>
+            <path>
+              <item name="vereto-api" type="b2602c69:ProjectViewProjectNode" />
+              <item name="vereto-api" type="462c0819:PsiDirectoryNode" />
+              <item name="db" type="462c0819:PsiDirectoryNode" />
+              <item name="migrate" type="462c0819:PsiDirectoryNode" />
+            </path>
           </expand>
           <select />
         </subPane>
@@ -333,12 +418,12 @@
       <workItem from="1519029876792" duration="13672000" />
       <workItem from="1519112531617" duration="11606000" />
       <workItem from="1519202717236" duration="9748000" />
-      <workItem from="1519290005411" duration="11256000" />
+      <workItem from="1519290005411" duration="14364000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="62794000" />
+    <option name="totallyTimeSpent" value="65902000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="28" width="1920" height="1026" extended-state="6" />
@@ -347,11 +432,11 @@
       <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.19497864" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
       <window_info id="Docker" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="false" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.37782562" sideWeight="0.29540598" order="7" side_tool="true" content_ui="tabs" />
+      <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.22820237" sideWeight="0.29540598" order="7" side_tool="true" content_ui="tabs" />
       <window_info id="Database" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32959402" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.37782562" sideWeight="0.704594" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.22820237" sideWeight="0.704594" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="true" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
@@ -377,27 +462,6 @@
     <watches-manager />
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/spec/support/request_spec_helper.rb">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="108">
-          <caret line="6" column="3" lean-forward="false" selection-start-line="6" selection-start-column="3" selection-end-line="6" selection-end-column="3" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/spec/models/user_spec.rb">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="180">
-          <caret line="10" column="54" lean-forward="false" selection-start-line="10" selection-start-column="54" selection-end-line="10" selection-end-column="54" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/spec/factories/items.rb">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="126">
-          <caret line="7" column="3" lean-forward="false" selection-start-line="7" selection-start-column="3" selection-end-line="7" selection-end-column="3" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/spec/factories/todos.rb">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="108">
@@ -482,13 +546,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/db/migrate/20180216131546_create_users.rb">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="0">
-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/db/migrate/20180216101247_create_items.rb">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
@@ -505,13 +562,6 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/db/migrate/20180219100239_create_articles.rb" />
     <entry file="file://$PROJECT_DIR$/db/migrate/20180219100444_create_articles.rb" />
-    <entry file="file://$PROJECT_DIR$/db/migrate/20180219100642_create_articles.rb">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="90">
-          <caret line="5" column="22" lean-forward="true" selection-start-line="5" selection-start-column="22" selection-end-line="5" selection-end-column="22" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/app/models/item.rb">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="54">
@@ -534,13 +584,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/app/models/user.rb">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="72">
-          <caret line="4" column="18" lean-forward="false" selection-start-line="4" selection-start-column="18" selection-end-line="4" selection-end-column="18" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/app/auth/authorize_api_request.rb">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="594">
@@ -604,13 +647,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/config/routes.rb">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="162">
-          <caret line="9" column="22" lean-forward="false" selection-start-line="9" selection-start-column="22" selection-end-line="9" selection-end-column="22" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/app/controllers/v1/items_controller.rb">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="162">
@@ -677,14 +713,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/app/models/article.rb">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="18">
-          <caret line="1" column="17" lean-forward="false" selection-start-line="1" selection-start-column="17" selection-end-line="1" selection-end-column="17" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/Gemfile">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="240">
@@ -709,10 +737,74 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/app/controllers/v1/articles_controller.rb">
+    <entry file="file://$PROJECT_DIR$/config/routes.rb">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="288">
-          <caret line="16" column="85" lean-forward="false" selection-start-line="16" selection-start-column="85" selection-end-line="16" selection-end-column="85" />
+          <caret line="16" column="0" lean-forward="false" selection-start-line="16" selection-start-column="0" selection-end-line="16" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/db/migrate/20180216131546_create_users.rb">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="0">
+          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/db/migrate/20180219100642_create_articles.rb">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="90">
+          <caret line="5" column="43" lean-forward="false" selection-start-line="5" selection-start-column="24" selection-end-line="5" selection-end-column="43" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/models/user.rb">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="90">
+          <caret line="5" column="20" lean-forward="false" selection-start-line="5" selection-start-column="20" selection-end-line="5" selection-end-column="20" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/models/article.rb">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="36">
+          <caret line="2" column="20" lean-forward="false" selection-start-line="2" selection-start-column="20" selection-end-line="2" selection-end-column="20" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/db/migrate/20180222154430_create_comments.rb">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="72">
+          <caret line="4" column="46" lean-forward="false" selection-start-line="4" selection-start-column="46" selection-end-line="4" selection-end-column="46" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/models/comment.rb">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="72">
+          <caret line="4" column="0" lean-forward="false" selection-start-line="4" selection-start-column="0" selection-end-line="4" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/controllers/comments_controller.rb">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="288">
+          <caret line="16" column="12" lean-forward="false" selection-start-line="16" selection-start-column="12" selection-end-line="16" selection-end-column="12" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/app/controllers/v1/articles_controller.rb">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="306">
+          <caret line="17" column="18" lean-forward="true" selection-start-line="17" selection-start-column="18" selection-end-line="17" selection-end-column="18" />
           <folding />
         </state>
       </provider>
diff --git a/app/controllers/v1/articles_controller.rb b/app/controllers/v1/articles_controller.rb
index 49e41e2..df7dcfb 100644
--- a/app/controllers/v1/articles_controller.rb
+++ b/app/controllers/v1/articles_controller.rb
@@ -9,14 +9,13 @@ class V1::ArticlesController < ApplicationController
     @article =  Article.all.order(created_at: :desc).paginate(page: current_page, per_page: 10)
     total_pages = (@article.count / posts_per_page).ceil
 
-
     pagination = {
         "current_page": current_page.to_i == 0 ? 1 : current_page,
         "last_page": total_pages,
         "next_page": "#{current_page.to_i < total_pages.to_i ? (current_page.to_i+1) : (current_page)}",
         "prev_page": "#{current_page.to_i > 1 ? (current_page.to_i-1) : (current_page)}"
     }
-    json_response({articles: @article.as_json(include: [:user]), pagination: pagination})
+    json_response({articles: @article.as_json(include: [:user, :comments]), pagination: pagination})
   end
 
   # POST /articles
diff --git a/app/controllers/v1/items_controller.rb b/app/controllers/v1/items_controller.rb
deleted file mode 100644
index 4f65f06..0000000
--- a/app/controllers/v1/items_controller.rb
+++ /dev/null
@@ -1,48 +0,0 @@
-module V1
-  class ItemsController < ApplicationController
-    before_action :set_todo
-    before_action :set_todo_item, only: [:show, :update, :destroy]
-
-    # GET /todos/:todo_id/items
-    def index
-      json_response(@todo.items)
-    end
-
-    # GET /todos/:todo_id/items/:id
-    def show
-      json_response(@item)
-    end
-
-    # POST /todos/:todo_id/items
-    def create
-      @todo.items.create!(item_params)
-      json_response(@todo, :created)
-    end
-
-    # PUT /todos/:todo_id/items/:d
-    def update
-      @item.update(item_params)
-      head :no_content
-    end
-
-    # DELETE /todos/:todo_id/items/:id
-    def destroy
-      @item.destroy
-      head :no_content
-    end
-
-    private
-
-    def item_params
-      params.permit(:name, :done)
-    end
-
-    def set_todo
-      @todo = Todo.find(params[:todo_id])
-    end
-
-    def set_todo_item
-      @item = @todo.items.find_by!(id: params[:id]) if @todo
-    end
-  end
-end
diff --git a/app/controllers/v1/todos_controller.rb b/app/controllers/v1/todos_controller.rb
deleted file mode 100644
index 81f6f0e..0000000
--- a/app/controllers/v1/todos_controller.rb
+++ /dev/null
@@ -1,45 +0,0 @@
-module V1
-  class TodosController < ApplicationController
-    before_action :set_todo, only: [:show, :update, :destroy]
-
-    # GET /todos
-    def index
-      @todos = current_user.todos
-      json_response(@todos)
-    end
-
-    # POST /todos
-    def create
-      @todo = current_user.todos.create!(todo_params)
-      json_response(@todo, :created)
-    end
-
-    # GET /todos/:id
-    def show
-      json_response(@todo)
-    end
-
-    # PUT /todos/:id
-    def update
-      @todo.update(todo_params)
-      head :no_content
-    end
-
-    # DELETE /todos/:id
-    def destroy
-      @todo.destroy
-      head :no_content
-    end
-
-    private
-
-    def todo_params
-      # whitelist params
-      params.permit(:title)
-    end
-
-    def set_todo
-      @todo = Todo.find(params[:id])
-    end
-  end
-end
diff --git a/app/models/article.rb b/app/models/article.rb
index 0c8bb68..acb1aa7 100644
--- a/app/models/article.rb
+++ b/app/models/article.rb
@@ -1,5 +1,6 @@
 class Article < ApplicationRecord
   belongs_to :user
+  has_many :comments
 
   validates_presence_of :title, :post
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index c8d05c9..2652094 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -3,6 +3,7 @@ class User < ApplicationRecord
 
   has_many :todos, foreign_key: :created_by
   has_many :articles
+  has_many :comments
 
   validates_presence_of :name, :email, :password_digest
   validates_uniqueness_of :email
diff --git a/config/routes.rb b/config/routes.rb
index d142c5e..2a274b4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  resources :comments
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
 
   scope module: :v2, constraints: ApiVersion.new('v2') do
@@ -6,9 +7,6 @@ Rails.application.routes.draw do
   end
 
   scope module: :v1, constraints: ApiVersion.new('v1', true) do
-    resources :todos do
-      resources :items
-    end
     resources :articles
   end
 
diff --git a/db/schema.rb b/db/schema.rb
index 4318f51..191dea4 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20180219100642) do
+ActiveRecord::Schema.define(version: 20180222154430) do
 
   create_table "articles", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.string "title"
@@ -21,6 +21,16 @@ ActiveRecord::Schema.define(version: 20180219100642) do
     t.index ["user_id"], name: "index_articles_on_user_id"
   end
 
+  create_table "comments", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
+    t.text "content"
+    t.bigint "article_id"
+    t.bigint "user_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["article_id"], name: "index_comments_on_article_id"
+    t.index ["user_id"], name: "index_comments_on_user_id"
+  end
+
   create_table "items", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.string "name"
     t.boolean "done"
@@ -46,5 +56,7 @@ ActiveRecord::Schema.define(version: 20180219100642) do
   end
 
   add_foreign_key "articles", "users"
+  add_foreign_key "comments", "articles"
+  add_foreign_key "comments", "users"
   add_foreign_key "items", "todos"
 end