[Docs] - RDS IAM Auth (#13942)

openmetadata-docs/content/v1.2.x/deployment/iam-auth.md

@@ -0,0 +1,32 @@
+---
+title: How to enable AWS RDS IAM Auth
+slug: /deployment/rds-iam-auth
+---
+
+# Aws resources on RDS IAM Auth
+https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.IAMDBAuth.html
+
+# Requirements
+
+1. AWS RDS Cluster with IAM auth enabled
+2. User on DB Cluster with IAM enabled
+3. IAM policy with permission on RDS connect
+4. Role with IAM policy attached
+5. IAM role attached to an EC2 instance on which openmetadata is deployed or ServiceAccount/Kube2Iam role attached to pod.
+
+# How to enable ADS RDS IAM Auth on postgresql
+
+Set the environment variables
+
+```Commandline
+  DB_USER_PASSWORD: "dummy"
+  DB_PARAMS: "awsRegion=eu-west-1&allowPublicKeyRetrieval=true&sslmode=require&serverTimezone=UTC"
+```
+
+Either through helm (if deployed in kubernetes) or as env vars.
+
+{% note %}
+
+The `DB_USER_PASSWORD` is still required and cannot be empty. Set it to a random/dummy string.
+
+{% /note %} 

openmetadata-docs/content/v1.2.x/menu.md

@@ -181,6 +181,8 @@ site_menu:
   - category: Deployment / Enable Secrets Manager / How to add a new implementation
     url: /deployment/secrets-manager/how-to-add-a-new-implementation
 
+  - category: Deployment / How to enable AWS RDS IAM Auth
+    url: /deployment/rds-iam-auth
   - category: Deployment / Server Configuration Reference
     url: /deployment/configuration