Update .gitlab-ci.yml

.gitlab-ci.yml

-image: alpine:latest
+variables:
+  EXPORT_DIR: "/var/www/html/pages"
 
-pages:
+pages-master:
   stage: deploy
   script:
-  - echo 'Nothing to do...'
-  artifacts:
-    paths:
-    - public
-  only:
-  - master
+    - mkdir "$EXPORT_DIR/$CI_PROJECT_NAME"	
+    - cp -r public/* "$EXPORT_DIR/$CI_PROJECT_NAME"
+  tags: 
+    - production
+  only: 
+    - master