diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4fcedfa..8b0a0b6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,11 +1,33 @@
+# requiring the environment of NodeJS 10
+image: node:10
+
+# add 'node_modules' to cache for speeding up builds
+cache:
+  paths:
+    - node_modules/ # Node modules and dependencies
+
+before_script:
+  - 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:
+    - gitbook build . public # build to public path
+  only:
+    - branches # this job will affect every branch except 'master'
+  except:
+    - master
+    
+# the 'pages' job will deploy and build your site to the 'public' path
 pages:
   stage: deploy
   script:
-  - mkdir .public
-  - cp -r * .public
-  - mv .public public
+    - gitbook build . public # build to public path
   artifacts:
     paths:
-    - public
+      - public
+    expire_in: 1 week
   only:
-  - master
+    - master # this job will affect only the 'master' branch