Program.cs

using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using propertyapp.Data;
using propertyapp.Models;

var builder = WebApplication.CreateBuilder(args);

// Add the DbContext configuration here
builder.Services.AddDbContext<PropertyContext>(options =>
    options.UseSqlite("Data Source=properties.db"));
// For Identity (new context)
builder.Services.AddDbContext<IdentityContext>(options =>
    options.UseSqlite(builder.Configuration.GetConnectionString("DefaultConnection")));
builder.Services.AddIdentity<IdentityUser, IdentityRole>()
    .AddEntityFrameworkStores<IdentityContext>()
    .AddDefaultTokenProviders();

// Add services to the container.
builder.Services.AddControllersWithViews();


var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseStaticFiles();

app.UseRouting();

app.UseAuthentication();
app.UseAuthorization();

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Home}/{action=Index}/{id?}");

app.Run();