Move github source to private server

app/models/comment.rb

@@ -0,0 +1,6 @@
+class Comment < ApplicationRecord
+  belongs_to :user
+  belongs_to :task
+  
+  validates :content, presence: true
+end

app/models/task.rb

@@ -4,6 +4,7 @@ class Task < ApplicationRecord
   belongs_to :creator, class_name: 'User'
   
   has_many :task_activities, dependent: :destroy
+  has_many :comments, dependent: :destroy
   
   enum priority: { 
     planning: 'planning', 

app/models/user.rb

@@ -7,6 +7,7 @@ class User < ApplicationRecord
   belongs_to :department, optional: true
   has_many :assigned_tasks, class_name: 'Task', foreign_key: 'assignee_id'
   has_many :created_tasks, class_name: 'Task', foreign_key: 'creator_id'
+  has_many :comments, dependent: :destroy
   
   enum role: { admin: 'admin', manager: 'manager', employee: 'employee' }