Configure custom domain via Aspire ConfigureCustomDomain API

The custom domain (learnaspire.dev) is now declared in the AppHost
using ConfigureCustomDomain, so it's included in the generated Bicep
and survives deployments. Replaces the fragile post-deploy re-bind.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: adamint

.github/workflows/release.yml

@@ -270,6 +270,8 @@ jobs:
           Azure__Location: ${{ env.AZURE_LOCATION }}
           ConnectionStrings__openai: ${{ secrets.OPENAI_CONNECTION_STRING }}
           Parameters__jwt-key: ${{ secrets.JWT_KEY }}
+          Parameters__customDomain: learnaspire.dev
+          Parameters__certificateName: ${{ secrets.ACA_CERT_NAME }}
         run: aspire deploy --non-interactive --clear-cache
         timeout-minutes: 20
 
@@ -288,17 +290,17 @@ jobs:
       - name: Smoke test
         if: steps.url.outputs.url != ''
         run: |
-          echo "Running smoke test against ${{ steps.url.outputs.url }}..."
+          echo "Running smoke test against https://learnaspire.dev..."
           for i in {1..5}; do
-            STATUS=$(curl -s -o /dev/null -w "%{http_code}" "${{ steps.url.outputs.url }}/health" --max-time 15 || echo "000")
+            STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://learnaspire.dev/health" --max-time 15 || echo "000")
             if [[ "$STATUS" == "200" ]]; then
-              echo "✓ Health check passed (attempt $i)"
+              echo "✓ Health check passed on learnaspire.dev (attempt $i)"
               exit 0
             fi
             echo "  Attempt $i: got $STATUS, retrying in 15s..."
             sleep 15
           done
-          echo "::warning::Smoke test did not get 200 from /health after 5 attempts"
+          echo "::warning::Smoke test did not get 200 from learnaspire.dev/health after 5 attempts"
 
       - name: Update GitHub Release with deploy info
         if: startsWith(github.ref, 'refs/tags/v') && steps.url.outputs.url != ''

apphost.cs

@@ -2,7 +2,7 @@
 #:package Aspire.Hosting.Azure.PostgreSQL@13.*
 #:package Aspire.Hosting.Azure.AppContainers@13.*
 #:package Aspire.Hosting.JavaScript@13.*
-#:property NoWarn=ASPIRECSHARPAPPS001
+#:property NoWarn=ASPIRECSHARPAPPS001;ASPIREACADOMAINS001
 
 #pragma warning disable ASPIREPUBLISHERS001  // Azure publishers are in preview
 
@@ -19,13 +19,21 @@
 var postgres = postgresServer.AddDatabase("academydb");
 var openai = builder.AddConnectionString("openai");
 
+// Custom domain parameters (used only during publish/deploy)
+var customDomain = builder.AddParameter("customDomain");
+var certificateName = builder.AddParameter("certificateName");
+
 // API backend
 var api = builder.AddCSharpApp("api", "./AspireAcademy.Api/")
     .WithReference(postgres)
     .WithReference(openai)
     .WaitFor(postgres)
     .WithHttpHealthCheck("/health")
-    .WithExternalHttpEndpoints();
+    .WithExternalHttpEndpoints()
+    .PublishAsAzureContainerApp((infra, app) =>
+    {
+        app.ConfigureCustomDomain(customDomain, certificateName);
+    });
 
 if (builder.ExecutionContext.IsRunMode)
 {