Add chromedriver services gitlab-ci

.gitlab-ci.yml

 image: django:latest
 
 before_script:
+  - apt-get update -qq && apt-get install -y -qq sqlite3 libsqlite3-dev
   - pip install -r requirements.txt
   - python manage.py migrate
 
@@ -13,13 +14,7 @@ test:
     - python manage.py test
 
 functional-test:
-  before_script:
-    - apt-get update
-    - apt-get -yqq install curl
-    - curl https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb -o /chrome.deb
-    - dpkg -i /chrome.deb || apt-get install -yf
-    - rm /chrome.deb
-    - curl https://chromedriver.storage.googleapis.com/2.31/chromedriver_linux64.zip -o /usr/local/bin/chromedriver
-    - chmod +x /usr/local/bin/chromedriver
+  services:
+    - blueimp/chromedriver
   script:
     - python functional_test.py