feat(aspire): compose Data API Builder container (8082) and pass GraphQL URL to portal

Author: srnichols

management-portal/AppHost/Program.cs

@@ -2,8 +2,17 @@
 
 var builder = DistributedApplication.CreateBuilder(args);
 
+// Data API Builder container (GraphQL) for local development
+var dab = builder.AddContainer("dab", "mcr.microsoft.com/data-api-builder", tag: "latest")
+    .WithBindMount("..\\dab\\dab-config.json", "/App/dab-config.json")
+    .WithEnvironment("ASPNETCORE_URLS", "http://+:8082")
+    // Provide COSMOS_CONNECTION_STRING via environment or user-secrets for DAB to connect to Cosmos
+    .WithHttpEndpoint(port: 8082, name: "http")
+    .WithArgs(["dab", "start", "--host", "0.0.0.0", "--config", "/App/dab-config.json"]);
+
 var portal = builder.AddProject("portal", "..\\src\\Portal\\Portal.csproj")
     .WithEnvironment("ASPNETCORE_URLS", "http://+:8081")
+    .WithEnvironment("DAB_GRAPHQL_URL", "http://localhost:8082/graphql")
     .WithHttpEndpoint(port: 8081, name: "http");
 
 builder.Build().Run();