var builder = WebApplication.CreateBuilder(args); // Add services to the container. builder.Services.AddControllers(); const string allowOrigin = "allowOrigin"; // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle builder.Services.AddCors(options => { options.AddPolicy(name: allowOrigin, policy => { policy.WithOrigins("http://localhost:3000"); }); }); 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(allowOrigin); // app.UseHttpsRedirection(); app.UseAuthorization(); app.MapControllers(); app.Run();