upgrade to overridable db

MyApp/Configure.Db.cs

@@ -1,5 +1,7 @@
+using Microsoft.EntityFrameworkCore;
 using ServiceStack.Data;
 using ServiceStack.OrmLite;
+using MyApp.Data;
 
 [assembly: HostingStartup(typeof(MyApp.ConfigureDb))]
 
@@ -9,12 +11,18 @@ public class ConfigureDb : IHostingStartup
 {
     public void Configure(IWebHostBuilder builder) => builder
         .ConfigureServices((context, services) => {
+            var connectionString = context.Configuration.GetConnectionString("DefaultConnection")
+                ?? "DataSource=App_Data/app.db;Cache=Shared";
+
             services.AddSingleton<IDbConnectionFactory>(new OrmLiteConnectionFactory(
-                context.Configuration.GetConnectionString("DefaultConnection")
-                ?? ":memory:",
-                SqliteDialect.Provider));
+                connectionString, SqliteDialect.Provider));
+
+            // $ dotnet ef migrations add CreateIdentitySchema
+            // $ dotnet ef database update
+            services.AddDbContext<ApplicationDbContext>(options =>
+                options.UseSqlite(connectionString, b => b.MigrationsAssembly(nameof(MyApp))));
 
             // Enable built-in Database Admin UI at /admin-ui/database
             services.AddPlugin(new AdminDatabaseFeature());
         });
-}
+}

MyApp/Migrations/ApplicationDbContextModelSnapshot.cs

@@ -15,7 +15,7 @@ partial class ApplicationDbContextModelSnapshot : ModelSnapshot
         protected override void BuildModel(ModelBuilder modelBuilder)
         {
 #pragma warning disable 612, 618
-            modelBuilder.HasAnnotation("ProductVersion", "8.0.1");
+            modelBuilder.HasAnnotation("ProductVersion", "8.0.2");
 
             modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
                 {

MyApp/Program.cs

@@ -9,12 +9,6 @@
 var builder = WebApplication.CreateBuilder(args);
 var services = builder.Services;
 
-// $ dotnet ef migrations add CreateIdentitySchema
-// $ dotnet ef database update
-var connectionString = builder.Configuration.GetConnectionString("DefaultConnection") 
-    ?? throw new InvalidOperationException("Connection string 'DefaultConnection' not found.");
-services.AddDbContext<ApplicationDbContext>(options =>
-    options.UseSqlite(connectionString, b => b.MigrationsAssembly(nameof(MyApp))));
 services.AddDatabaseDeveloperPageExceptionFilter();
 
 services.AddAuthorization();

MyApp/appsettings.json

@@ -1,7 +1,4 @@
 {
-  "ConnectionStrings": {
-    "DefaultConnection": "DataSource=App_Data/app.db;Cache=Shared"
-  },  
   "Logging": {
     "LogLevel": {
       "Default": "Information",