Added change-preview-url (#30)

* Added change-preview-rul

* Added change-preview-url

Author: goruha

deploy/releases/app.yaml

@@ -79,10 +79,17 @@ releases:
             alb.ingress.kubernetes.io/listen-ports: '[{"HTTP": 80}, {"HTTPS": 443}]'
             alb.ingress.kubernetes.io/ssl-redirect: "443"
             alb.ingress.kubernetes.io/target-type: ip
+        {{- if eq .Environment.Name "preview" }}
+            external-dns.alpha.kubernetes.io/hostname: example-app-pr-{{ .Namespace }}.{{ .Values.platform.default_ingress_domain }}
+            outputs.platform.cloudposse.com/webapp-url: "https://example-app-pr-{{ .Namespace }}.{{ .Values.platform.default_ingress_domain }}/dashboard"
+          hosts:
+            "example-app-pr-{{ .Namespace }}.{{ .Values.platform.default_ingress_domain }}": /*
+        {{- else }}
             external-dns.alpha.kubernetes.io/hostname: example-app.{{ .Values.platform.default_ingress_domain }}
             outputs.platform.cloudposse.com/webapp-url: "https://example-app.{{ .Values.platform.default_ingress_domain }}/dashboard"
           hosts:
             "example-app.{{ .Values.platform.default_ingress_domain }}": /*
+        {{- end }}
 
       probes:
         # Probe that ensures service is healthy