add controller to access register from url

src/IdentitySvc/Controllers/RegisterApiController.cs

@@ -0,0 +1,45 @@
+using IdentitySvc.Models;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using System.Threading.Tasks;
+
+namespace IdentitySvc.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class RegisterApiController : ControllerBase
+{
+    private readonly UserManager<ApplicationUser> _userManager;
+
+    public RegisterApiController(UserManager<ApplicationUser> userManager)
+    {
+        _userManager = userManager;
+    }
+
+    [HttpPost]
+    public async Task<IActionResult> Register([FromBody] RegisterApiDto dto)
+    {
+        if (dto.Username != "Harry")
+            return BadRequest("Invalid registration data.");
+        var user = new ApplicationUser
+        {
+            UserName = dto.Username,
+            Email = dto.Email,
+            EmailConfirmed = true
+        };
+
+        var result = await _userManager.CreateAsync(user, dto.Password);
+
+        if (!result.Succeeded)
+            return BadRequest(result.Errors);
+
+        return StatusCode(201);
+    }
+}
+
+public class RegisterApiDto
+{
+    public string Username { get; set; }
+    public string Email { get; set; }
+    public string Password { get; set; }
+}

src/IdentitySvc/Program.cs

@@ -11,6 +11,8 @@ try
 {
     var builder = WebApplication.CreateBuilder(args);
     
+    builder.Services.AddControllers();
+
     builder.Host.UseSerilog((ctx, lc) => lc
         .WriteTo.Console(outputTemplate: "[{Timestamp:HH:mm:ss} {Level}] {SourceContext}{NewLine}{Message:lj}{NewLine}{Exception}{NewLine}")
         .Enrich.FromLogContext()
@@ -24,6 +26,7 @@ try
     // in production you will likely want a different approach.
     SeedData.EnsureSeedData(app);
 
+    app.MapControllers();
     app.Run();
 }
 catch (Exception ex) when (ex is not HostAbortedException)