include chart build in ci

.gitlab-ci.yml

@@ -4,6 +4,7 @@ stages:
   - publish
 
 variables:
+  SBT_OPTS: "-Dsbt.global.base=sbt-cache/sbtboot -Dsbt.boot.directory=sbt-cache/boot -Dsbt.ivy.home=sbt-cache/ivy"
   DOCKER_TLS_CERTDIR: ""
 
 include:
@@ -11,4 +12,13 @@ include:
     file: 'sbt-build/sbt-build.yml'
   - project: 'memoriav/memobase-2020/utilities/ci-templates'
     file: 'docker-image/docker-image.yml'
-  
\ No newline at end of file
+  - project: 'memoriav/memobase-2020/utilities/ci-templates'
+    file: 'helm-chart/helm-chart.yml'
+
+cache:
+  key: "$CI_BUILD_REF_NAME"
+  paths:
+    - "sbt-cache/ivy/cache"
+    - "sbt-cache/boot"
+    - "sbt-cache/sbtboot"
+    - "sbt-cache/target"