# IDistributedApplicationBuilder.addDockerfile

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

Adds a Dockerfile to the application model that can be treated like a container resource.

## Definition

```typescript
interface IDistributedApplicationBuilder {
  // ... omitted for brevity
  addDockerfile(
      name: string,
      contextPath: string,
      dockerfilePath?: string,
      stage?: string): ContainerResource;
}
```

## Signature

```typescript
addDockerfile(
    name: string,
    contextPath: string,
    dockerfilePath?: string,
    stage?: string): ContainerResource
```

## Parameters

- `name` (`string`)
- `contextPath` (`string`)
- `dockerfilePath` (`string`) `optional`
- `stage` (`string`) `optional`

## Returns

[ContainerResource](/reference/api/typescript/aspire.hosting/containerresource.md) `builder`

## Defined on

- [IDistributedApplicationBuilder](/reference/api/typescript/aspire.hosting/idistributedapplicationbuilder.md) -- `interface`