Update .gitlab-ci.yml

.gitlab-ci.yml

-# This file is a template, and might need editing before it works on your project.
-# Full project: https://gitlab.com/pages/plain-html
-
-image: busybox
+image: alpine:latest
 
 pages:
   stage: deploy
   script:
-    - echo "The site will be deployed to $CI_PAGES_URL"
+  - echo 'Nothing to do...'
   artifacts:
     paths:
     - public
-  rules:
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  only:
+  - master
+  tags:
+  - pages