Program.cs

using MapApplication.Data;
using MapApplication.Services;
using Microsoft.EntityFrameworkCore;
using System.Drawing;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.AddControllers();

builder.Services.AddCors(options => {
    options.AddPolicy("AllowSpecificOrigin",
        builder => builder
            .WithOrigins("http://localhost:5173")
            .AllowAnyHeader()
            .AllowAnyMethod());
});

builder.Services.AddDbContext<AppDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("WebApiDatabase")));

builder.Services.AddScoped<IUnitOfWork, UnitOfWork>();

builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment()) {
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseCors("AllowSpecificOrigin");

app.UseHttpsRedirection();

app.UseAuthorization();

app.MapControllers();

app.Run();