diff --git a/Gemfile b/Gemfile
index f01ca559f..9e00b3024 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,6 +16,8 @@ gem 'turbo-rails'
 
 group :development, :test do
   gem 'dotenv-rails'
+  gem 'factory_bot_rails'
+  gem 'faker'
   gem 'rspec-rails'
   gem 'rubocop'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 6624e9608..015db9226 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -72,6 +72,13 @@ GEM
       dotenv (= 2.7.6)
       railties (>= 3.2)
     erubi (1.10.0)
+    factory_bot (6.2.0)
+      activesupport (>= 5.0.0)
+    factory_bot_rails (6.2.0)
+      factory_bot (~> 6.2.0)
+      railties (>= 5.0.0)
+    faker (2.19.0)
+      i18n (>= 1.6, < 2)
     globalid (1.0.0)
       activesupport (>= 5.0)
     i18n (1.8.11)
@@ -96,6 +103,8 @@ GEM
     nokogiri (1.12.5)
       mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
+    nokogiri (1.12.5-x86_64-linux)
+      racc (~> 1.4)
     parallel (1.21.0)
     parser (3.0.3.2)
       ast (~> 2.4.1)
@@ -197,6 +206,8 @@ PLATFORMS
 DEPENDENCIES
   bootsnap
   dotenv-rails
+  factory_bot_rails
+  faker
   importmap-rails
   jbuilder
   pg (~> 1.1)
diff --git a/app/models/project.rb b/app/models/project.rb
index 038537e7b..2ae323033 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -1,3 +1,15 @@
+require 'phrase_identifier'
+
 class Project < ApplicationRecord
+  before_validation :check_unique_not_null, on: :create
+  validates :identifier, presence: true, uniqueness: true
   has_many :components, dependent: :destroy
-end
+
+  private
+    def check_unique_not_null
+      self.identifier ||= PhraseIdentifier.generate
+      while !Project.find_by(identifier: self.identifier).nil?
+        self.identifier = PhraseIdentifier.generate
+      end
+    end
+end
\ No newline at end of file
diff --git a/db/migrate/20220111141057_make_project_identifier_non_null.rb b/db/migrate/20220111141057_make_project_identifier_non_null.rb
new file mode 100644
index 000000000..e0360f7df
--- /dev/null
+++ b/db/migrate/20220111141057_make_project_identifier_non_null.rb
@@ -0,0 +1,5 @@
+class MakeProjectIdentifierNonNull < ActiveRecord::Migration[7.0]
+  def change
+    change_column_null(:projects, :identifier, false)
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3fd86102c..43e38b3f7 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: 2021_12_21_135519) do
+ActiveRecord::Schema.define(version: 2022_01_11_141057) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
@@ -29,7 +29,7 @@
   create_table "projects", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "user_id"
     t.string "name"
-    t.string "identifier"
+    t.string "identifier", null: false
     t.string "project_type", default: "python", null: false
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
diff --git a/spec/factories/project.rb b/spec/factories/project.rb
new file mode 100644
index 000000000..053055160
--- /dev/null
+++ b/spec/factories/project.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+FactoryBot.define do
+    factory :project do
+        user_id { rand( 10 ** 10 ) }
+        name { Faker::Book.title }
+        identifier { Faker::Verb.base+'-'+Faker::Verb.base+'-'+Faker::Verb.base }
+        project_type { %w[python, html].sample }
+    end
+end
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 5df403ad8..72785e11e 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -1,7 +1,22 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Project, type: :model do
   describe 'associations' do
     it { is_expected.to have_many(:components) }
   end
+
+  describe 'identifier not nil' do
+    subject { FactoryBot.build(:project) }
+    it { is_expected.not_to allow_value(nil).for(:identifier) }
+  end
+
+  describe 'identifier unique' do
+    it do
+      project1 = FactoryBot.create(:project)
+      project2 = FactoryBot.build(:project, identifier: project1.identifier)
+      expect { project2.valid? }.to change { project2.identifier }
+    end
+  end
 end