Add pipeline task to publish helm chart

.gitlab-ci.yml

@@ -7,4 +7,21 @@ build docker image:
   stage: build
   needs: []
   tags:
-    - docker
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+    - docker
+
+upload Helm Chart:
+  stage: build
+  image: alpine/helm:3.2.4
+  rules:
+    - if: $CI_MERGE_REQUEST_ID
+      when: never
+    - if: '$CI_COMMIT_REF_SLUG =~ /(master|develop)/'
+      changes:
+        - helm/**/*
+      when: on_success
+  script:
+    - apk add --update --no-cache curl
+    - helm package helm/user-guide
+    - curl --data-binary "@$(ls user-guide-*.tgz)" -s http://charts-chartmuseum.chartmuseum.svc.cluster.local:8080/api/charts
+  tags:
+    - kubernetes
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