# MongoDBServerResource.withReplicaSet

- Module: [Aspire.Hosting.MongoDB](/reference/api/typescript/aspire.hosting.mongodb.md)
- Defined on: [MongoDBServerResource](/reference/api/typescript/aspire.hosting.mongodb/mongodbserverresource.md)
- Version: `13.6.0`
- Kind: `method`

Configures and initializes the MongoDB server as a single-member replica set for local development.

## Definition

```typescript
interface MongoDBServerResource {
  // ... omitted for brevity
  withReplicaSet(name?: string): MongoDBServerResource;
}
```

## Signature

```typescript
withReplicaSet(name?: string): MongoDBServerResource
```

## Parameters

- `name` (`string`) `optional`

## Returns

[MongoDBServerResource](/reference/api/typescript/aspire.hosting.mongodb/mongodbserverresource.md) `builder`

## Defined on

- [MongoDBServerResource](/reference/api/typescript/aspire.hosting.mongodb/mongodbserverresource.md) -- `handle`