Add proper stages for Gitlab CI.

.gitlab-ci.yml

@@ -1,14 +1,35 @@
 image: ruby:2.4.2
 
-pages:
+variables:
-  stage: build
+  GEMSPEC: "autonomic.gemspec"
+
+stages:
+  - quality
+  - gem-build
+  - site-build
+  - deploy
+
+quality-assurance:
+  stage: quality
   script:
-  - gem install jekyll
+    - echo "TODO!"
-  - jekyll build -d public
+
-  - gem build autonomic.gemspec
+gem-builder:
+  stage: gem-build
+  script:
+    - gem build $GEMSPEC
+
+site-builder:
+  stage: site-build
+  before_script:
+    - gem install jekyll
+  script:
+    - jekyll build
   artifacts:
     paths:
-    - public
+      - dist
-    - "autonomic-*.gem"
+
-  only:
+production-deploy:
-  - master
+  stage: deploy
+  script:
+    - echo "TODO!"