webemsim/Program.cs

using Microsoft.Extensions.FileProviders;

namespace WebEMSim
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var builder = WebApplication.CreateBuilder(args);

            // Add services to the container.

            builder.Services.AddControllers();
            // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
            builder.Services.AddEndpointsApiExplorer();
            builder.Services.AddSwaggerGen();

            var app = builder.Build();

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

            app.UseAuthorization();

            var uiFileProvider = new PhysicalFileProvider(
                Path.Combine(Environment.CurrentDirectory, "webem-ui/build"));

            app.UseStatusCodePagesWithReExecute("/error/{0}");

            app.UseDefaultFiles(new DefaultFilesOptions
            {
                FileProvider = uiFileProvider
            });
            app.UseStaticFiles(new StaticFileOptions
            {
                FileProvider = uiFileProvider,
                RequestPath = ""
            });


            app.MapControllers();

            app.Run();
        }
    }
}