diff --git a/charts/graphql-engine/templates/service.yaml b/charts/graphql-engine/templates/service.yaml
index dbebae6..055548d 100644
--- a/charts/graphql-engine/templates/service.yaml
+++ b/charts/graphql-engine/templates/service.yaml
@@ -24,5 +24,8 @@ spec:
   - name: http
     port: {{ coalesce .Values.config.port 8080 }}
     targetPort: {{ coalesce .Values.config.port 8080 }}
+    {{- if .Values.service.nodePort }}
+    nodePort: {{ .Values.service.nodePort }}
+    {{- end }}
   type: {{ coalesce (.Values.service).type "ClusterIP" }}
 
diff --git a/charts/graphql-engine/values.yaml b/charts/graphql-engine/values.yaml
index 6bd99dc..b4cec78 100644
--- a/charts/graphql-engine/values.yaml
+++ b/charts/graphql-engine/values.yaml
@@ -220,6 +220,7 @@ service:
   annotations: {}
   labels: {}
   type: ClusterIP
+  ## nodePort: 30020
 
 ## Ingress configuration for graphql-engine service
 ## ref https://kubernetes.io/docs/concepts/services-networking/ingress