diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 63562d2..16d89d3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,39 +1,31 @@
-# This file is a template, and might need editing before it works on your project.
-# To contribute improvements to CI/CD templates, please follow the Development guide at:
-# https://docs.gitlab.com/ee/development/cicd/templates.html
-# This specific template is located at:
-# https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Pages/Jekyll.gitlab-ci.yml
+# requiring the environment of NodeJS 10
+image: node:10
 
-# Template project: https://gitlab.com/pages/jekyll
-# Docs: https://docs.gitlab.com/ee/pages/
-image: ruby:2.6
-
-variables:
-  JEKYLL_ENV: production
-  LC_ALL: C.UTF-8
+# add 'node_modules' to cache for speeding up builds
+cache:
+  paths:
+    - node_modules/ # Node modules and dependencies
 
 before_script:
-  - gem install bundler
-  - bundle install
+  - npm install gitbook-cli -g # install gitbook
+  - gitbook fetch 3.2.3 # fetch final stable version
+  - gitbook install # add any requested plugins in book.json
 
 test:
   stage: test
   script:
-    - bundle exec jekyll build -d test -s docs/decisions
-  artifacts:
-    paths:
-      - test
-  except:
-    variables:
-      - $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
-
+    - gitbook build ./docs/decisions public # build to public path
+  rules:
+    - if: $CI_COMMIT_REF_NAME != $CI_DEFAULT_BRANCH
+    
+# the 'pages' job will deploy and build your site to the 'public' path
 pages:
   stage: deploy
   script:
-    - bundle exec jekyll build -d public -s docs/decisions
+    - gitbook build ./docs/decisions public # build to public path
   artifacts:
     paths:
       - public
-  only:
-    variables:
-      - $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+    expire_in: 1 week
+  rules:
+    - if: $CI_COMMIT_REF_NAME == $CI_DEFAULT_BRANCH