Create admin user seed

Models/IdentitySeedData.cs

@@ -0,0 +1,30 @@
+using Microsoft.AspNetCore.Identity;
+
+namespace MyDarling.Models;
+
+public class IdentitySeedData
+{
+	public static void CreateAdminAccount(IServiceProvider serviceProvider, IConfiguration configuration)
+	{
+		CreateAdminAccountAsync(serviceProvider, configuration).Wait();
+	}
+	
+	public static async Task CreateAdminAccountAsync(IServiceProvider serviceProvider, IConfiguration configuration)
+	{
+		serviceProvider = serviceProvider.CreateScope().ServiceProvider;
+		UserManager<IdentityUser> userManager = serviceProvider.GetRequiredService<UserManager<IdentityUser>>();
+		
+		string username = configuration["ADMIN_USERNAME"] ?? "admin";
+		string password = configuration["ADMIN_PASSWORD"] ?? "Password123$";
+		
+		if (await userManager.FindByNameAsync(username) == null)
+		{
+			IdentityUser adminUser = new IdentityUser
+			{
+				UserName = username
+			};
+			
+			IdentityResult result = await userManager.CreateAsync(adminUser, password);			
+		}
+	}	
+}

Program.cs

@@ -17,6 +17,13 @@ builder.Services.AddDbContext<IdentityContext>(opts =>
 
 builder.Services.AddIdentity<IdentityUser, IdentityRole>()
 	.AddEntityFrameworkStores<IdentityContext>();
+	
+builder.Services.Configure<IdentityOptions>( opts => 
+{
+	opts.Password.RequiredLength = 6;
+	opts.Password.RequireNonAlphanumeric = false;
+	opts.User.AllowedUserNameCharacters = "abcdefghijklmnopqrstuvwxyz";
+});
 
 builder.Services.AddControllersWithViews();
 
@@ -28,5 +35,6 @@ app.MapDefaultControllerRoute();
 
 app.UseAuthentication();
 app.UseAuthorization();
+IdentitySeedData.CreateAdminAccount(app.Services, app.Configuration);
 
 app.Run();