# Service.addVolume

- Module: [Aspire.Hosting.Docker](/reference/api/typescript/aspire.hosting.docker.md)
- Defined on: [Service](/reference/api/typescript/aspire.hosting.docker/service.md)
- Version: `13.4.0`
- Kind: `method`

Adds a volume mount to a generated Docker Compose service.

## Definition

```typescript
interface Service {
  // ... omitted for brevity
  addVolume(source: string, target: string, type?: string, isReadOnly?: boolean, configure?: (obj: Volume) => Promise<void>): Service;
}
```

## Signature

```typescript
addVolume(source: string, target: string, type?: string, isReadOnly?: boolean, configure?: (obj: Volume) => Promise<void>): Service
```

## Parameters

- `source` (`string`)
- `target` (`string`)
- `type` (`string`) `optional` `= volume`
- `isReadOnly` (`boolean`) `optional`
- `configure` (`(obj: Volume) => Promise<void>`) `optional`

## Returns

[Service](/reference/api/typescript/aspire.hosting.docker/service.md)

## Defined on

- [Service](/reference/api/typescript/aspire.hosting.docker/service.md) -- `handle`