Ça a l'air que DotNet Aspire c'est ben sweet.

BlazorCanvas/BlazorCanvas.AppHost/Properties/launchSettings.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:15071",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "DOTNET_ENVIRONMENT": "Development",
+        "DOTNET_DASHBOARD_OTLP_ENDPOINT_URL": "http://localhost:16047"
+      }
+    }
+  }
+}