# DuckDBResource.withReadOnly

- Module: [CommunityToolkit.Aspire.Hosting.DuckDB](/reference/api/typescript/communitytoolkit.aspire.hosting.duckdb.md)
- Defined on: [DuckDBResource](/reference/api/typescript/communitytoolkit.aspire.hosting.duckdb/duckdbresource.md)
- Version: `13.5.0`
- Kind: `method`

Configures the DuckDB resource to open the database in read-only mode.

## Definition

```typescript
interface DuckDBResource {
  // ... omitted for brevity
  withReadOnly(): DuckDBResource;
}
```

## Signature

```typescript
withReadOnly(): DuckDBResource
```

## Returns

[DuckDBResource](/reference/api/typescript/communitytoolkit.aspire.hosting.duckdb/duckdbresource.md) `builder`

## Defined on

- [DuckDBResource](/reference/api/typescript/communitytoolkit.aspire.hosting.duckdb/duckdbresource.md) -- `handle`