doc(mongodb): mongodb+srv connection scheme (#18712)

- added information about the mongodb+srv connection scheme
- added link to atlas guide for getting the connection string

openmetadata-docs/content/v1.6.x-SNAPSHOT/connectors/database/mongodb/index.md

@@ -45,9 +45,11 @@ To fetch the metadata from MongoDB to OpenMetadata, the MongoDB user must have a
 
 - **Username**: Username to connect to Mongodb. This user must have access to perform `find` operation on collection and `listCollection` operations on database available in MongoDB.
 - **Password**: Password to connect to MongoDB.
-- **Host Port**: The hostPort parameter specifies the host and port of the MongoDB. This should be specified as a string in the format `hostname:port`. E.g., `localhost:27017`.
+- **Host Port**: When using the `mongodb` connecion schema, the hostPort parameter specifies the host and port of the MongoDB. This should be specified as a string in the format `hostname:port`. E.g., `localhost:27017`. When using the `mongodb+srv` connection schema, the hostPort parameter specifies the host and port of the MongoDB. This should be specified as a string in the format `hostname`. E.g., `cluster0-abcde.mongodb.net`.
 - **databaseName**: Optional name to give to the database in OpenMetadata. If left blank, we will use default as the database name.
 
+Using Atlas? Follow [this guide](https://www.mongodb.com/docs/guides/atlas/connection-string/) to get the connection string.
+
 {% partial file="/v1.5/connectors/database/advanced-configuration.md" /%}
 
 {% /extraContent %}

openmetadata-docs/content/v1.6.x-SNAPSHOT/connectors/database/mongodb/yaml.md

@@ -74,7 +74,9 @@ This is a sample config for MongoDB:
 
 {% codeInfo srNumber=3 %}
 
-**hostPort**: The hostPort parameter specifies the host and port of the MongoDB. This should be specified as a string in the format `hostname:port`. E.g., `localhost:27017`.
+**hostPort**: When using the `mongodb` connecion schema, the hostPort parameter specifies the host and port of the MongoDB. This should be specified as a string in the format `hostname:port`. E.g., `localhost:27017`. When using the `mongodb+srv` connection schema, the hostPort parameter specifies the host and port of the MongoDB. This should be specified as a string in the format `hostname`. E.g., `cluster0-abcde.mongodb.net`.
+
+Using Atlas? Follow [this guide](https://www.mongodb.com/docs/guides/atlas/connection-string/) to get the connection string.
 
 {% /codeInfo %}
 

openmetadata-spec/src/main/resources/json/schema/entity/services/connections/database/mongoDBConnection.json

@@ -51,7 +51,7 @@
         },
         "hostPort": {
             "title": "Host and Port",
-            "description": "Host and port of the MongoDB service.",
+            "description": "Host and port of the MongoDB service when using the `mongodb` connection scheme. Only host when using the `mongodb+srv` scheme.",
             "type": "string"
         },
         "connectionOptions": {