feat(charts): adding external docker_registry support

Author: duanhongyi

charts/controller/templates/controller-deployment.yaml

@@ -24,7 +24,7 @@ spec:
       serviceAccount: drycc-controller
       containers:
         - name: drycc-controller
-          image: quay.io/{{.Values.org}}/controller:{{.Values.docker_tag}}
+          image: {{.Values.docker_registry}}{{.Values.org}}/controller:{{.Values.docker_tag}}
           imagePullPolicy: {{.Values.pull_policy}}
           livenessProbe:
             httpGet:

charts/controller/values.yaml

@@ -1,6 +1,7 @@
 org: "drycc"
 pull_policy: "Always"
-docker_tag: canary
+docker_tag: "canary"
+docker_registry: ""
 app_pull_policy: "Always"
 # A comma-separated list of URLs to send app release information to
 # See https://drycc.com/docs/workflow/managing-workflow/deploy-hooks