From 5427919d390c4329ea6780cc89a6969313e6a0c0 Mon Sep 17 00:00:00 2001
From: David Fowler <davidfowl@gmail.com>
Date: Sat, 12 Jul 2025 18:39:08 -0700
Subject: [PATCH] Force async execution of resource startup - Previously we
 didn't preemptively dispatch to the threadpool per resource on startup. That
 causes issues blocking other resource's startup because of a single blocking
 call. This change dispatching preemptively before creating the dcp resource.

---
 src/Aspire.Hosting/Dcp/DcpExecutor.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Aspire.Hosting/Dcp/DcpExecutor.cs b/src/Aspire.Hosting/Dcp/DcpExecutor.cs
index 2b3bd106e20..16910a00167 100644
--- a/src/Aspire.Hosting/Dcp/DcpExecutor.cs
+++ b/src/Aspire.Hosting/Dcp/DcpExecutor.cs
@@ -1097,6 +1097,9 @@ async Task CreateResourceExecutablesAsyncCore(IResource resource, IEnumerable<Ap
 
     private async Task CreateExecutableAsync(AppResource er, ILogger resourceLogger, CancellationToken cancellationToken)
     {
+        // Force async execution
+        await Task.Yield();
+
         if (er.DcpResource is not Executable exe)
         {
             throw new InvalidOperationException($"Expected an Executable resource, but got {er.DcpResource.Kind} instead");
@@ -1348,6 +1351,9 @@ async Task CreateContainerAsyncCore(AppResource cr, CancellationToken cancellati
 
     private async Task CreateContainerAsync(AppResource cr, ILogger resourceLogger, CancellationToken cancellationToken)
     {
+        // Force async execution
+        await Task.Yield();
+
         await _executorEvents.PublishAsync(new OnResourceStartingContext(cancellationToken, KnownResourceTypes.Container, cr.ModelResource, cr.DcpResource.Metadata.Name)).ConfigureAwait(false);
 
         var dcpContainerResource = (Container)cr.DcpResource;