# CopyFilePattern Properties

- Package: [Aspire.Hosting.JavaScript](/reference/api/csharp/aspire.hosting.javascript.md)
- Type: [CopyFilePattern](/reference/api/csharp/aspire.hosting.javascript/copyfilepattern.md)
- Kind: `Properties`
- Members: `2`

Represents a file pattern for copying dependency files in a Dockerfile.

## Destination

- Name: `Destination`
- Modifiers: `get; init`
- Returns: `string`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/cbc352350f1a9bafbaff10d14a2c8de4ac186a48/src/Aspire.Hosting.JavaScript/CopyFilePattern.cs)

The destination path where files should be copied (e.g., "./").

```csharp
public string Destination { get; init; }
```

## Source

- Name: `Source`
- Modifiers: `get; init`
- Returns: `string`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/cbc352350f1a9bafbaff10d14a2c8de4ac186a48/src/Aspire.Hosting.JavaScript/CopyFilePattern.cs)

The source pattern for files to copy (e.g., "package*.json").

```csharp
public string Source { get; init; }
```