# ComposeFile.addService

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

Adds a service definition to the Docker Compose file.

## Definition

```typescript
interface ComposeFile {
  // ... omitted for brevity
  addService(name: string, image?: string, configure?: (obj: Service) => Promise<void>): ComposeFile;
}
```

## Signature

```typescript
addService(name: string, image?: string, configure?: (obj: Service) => Promise<void>): ComposeFile
```

## Parameters

- `name` (`string`)
- `image` (`string`) `optional`
- `configure` (`(obj: Service) => Promise<void>`) `optional`

## Returns

[ComposeFile](/reference/api/typescript/aspire.hosting.docker/composefile.md)

## Defined on

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