Add Docker Compose file import via AddDockerComposeFile

src/Aspire.Hosting.Docker/DockerComposeFileResource.cs

@@ -0,0 +1,24 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using Aspire.Hosting.ApplicationModel;
+
+namespace Aspire.Hosting.Docker;
+
+/// <summary>
+/// Represents a Docker Compose file resource that imports services from a docker-compose.yml file.
+/// </summary>
+/// <param name="name">The name of the resource.</param>
+/// <param name="composeFilePath">The path to the docker-compose.yml file.</param>
+public class DockerComposeFileResource(string name, string composeFilePath) : Resource(name)
+{
+    /// <summary>
+    /// Gets the path to the docker-compose.yml file.
+    /// </summary>
+    public string ComposeFilePath { get; } = composeFilePath;
+
+    /// <summary>
+    /// Gets the mapping of service names to their container resource builders.
+    /// </summary>
+    internal Dictionary<string, IResourceBuilder<ContainerResource>> ServiceBuilders { get; } = new(StringComparer.OrdinalIgnoreCase);
+}