diff --git a/12-Microservices-Deployment-on-EKS/kube-manifests/01-MySQL-externalName-Service.yml b/12-Microservices-Deployment-on-EKS/kube-manifests/01-MySQL-externalName-Service.yml
index 59357f3f..71bc4cf1 100644
--- a/12-Microservices-Deployment-on-EKS/kube-manifests/01-MySQL-externalName-Service.yml
+++ b/12-Microservices-Deployment-on-EKS/kube-manifests/01-MySQL-externalName-Service.yml
@@ -4,4 +4,29 @@ metadata:
   name: mysql
 spec:
   type: ExternalName
-  externalName: usermgmtdb.cxojydmxwly6.us-east-1.rds.amazonaws.com
\ No newline at end of file
+  externalName: usermgmtdb.cxojydmxwly6.us-east-1.rds.amazonaws.com
+
+
+
+## master server
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mysql-master
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: mysql-master
+  template:
+    metadata:
+      labels:
+        app: mysql-master
+    spec:
+    containers:
+    - name: mysql-master
+      image: mysql:5.7
+      ports:
+      - containerPort: 3306
+      env: 
\ No newline at end of file