Refactor production job to remove duplication

Auto-DevOps.gitlab-ci.yml

@@ -265,7 +265,7 @@ staging:
 # or `canary` deploys, or you simply want more control over when you deploy
 # to production, uncomment the `when: manual` line in the `production` job.
 
-production: 
+.production: &production_template
   stage: production
   script:
     - check_kube_domain
@@ -282,6 +282,9 @@ production:
     url: http://$CI_PROJECT_PATH_SLUG.$AUTO_DEVOPS_DOMAIN
   artifacts:
     paths: [environment_url.txt]
+
+production:
+  <<: *production_template
   only:
     refs:
       - master
@@ -290,23 +293,8 @@ production:
     variables:
       - $STAGING_ENABLED
 
-production_manual: 
-  stage: production
-  script:
-    - check_kube_domain
-    - install_dependencies
-    - download_chart
-    - ensure_namespace
-    - install_tiller
-    - create_secret
-    - deploy
-    - delete canary
-    - persist_environment_url
-  environment:
-    name: production
-    url: http://$CI_PROJECT_PATH_SLUG.$AUTO_DEVOPS_DOMAIN
-  artifacts:
-    paths: [environment_url.txt]
+production_manual:
+  <<: *production_template
   when: manual
   only:
     refs: