Startup.cs

using CreatureBracket.Hubs;
using CreatureBracket.Middleware;
using CreatureBracket.Misc;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http.Extensions;
using Microsoft.AspNetCore.SpaServices.AngularCli;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Identity.Web;

namespace CreatureBracket
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllersWithViews();
            // In production, the Angular files will be served from this directory
            services.AddSpaStaticFiles(configuration =>
            {
                configuration.RootPath = "ClientApp/dist";
            });

            services.AddDbContext<DatabaseContext>(options =>
            {
                var connectionString = Configuration["ConnectionString"];

                //options.UseSqlite("Data Source=main.db");
                options.UseSqlServer(connectionString);
                //options.UseSqlServer("Server=CALEB-LAPTOP;Database=CreatureBracketFusion;Trusted_Connection=true");
            });

            services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
                    .AddMicrosoftIdentityWebApi(Configuration);
            //add authorization policies
            services.AddAuthorization();

            services.AddSignalR();

            services.AddScoped<UnitOfWork>();
            services.AddHostedService<EmailService>();
            services.AddHostedService<BattleService>();

            services.AddCors(o => o.AddPolicy("default", builder =>
            {
                builder.AllowAnyOrigin()
                       .AllowAnyMethod()
                       .AllowAnyHeader();
            }));
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            app.Use((context, next) =>
            {
                Globals.ApplicationUrl = context.Request.GetDisplayUrl();
                return next.Invoke();
            });

            using (var serviceScope = app.ApplicationServices.GetRequiredService<IServiceScopeFactory>().CreateScope())
            {
                var context = serviceScope.ServiceProvider.GetService<DatabaseContext>();

                context.Database.Migrate();
            }

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/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.UseCors("default");

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

            app.UseMiddleware(typeof(ErrorHandlingMiddleware));

            if (!env.IsDevelopment())
            {
                app.UseSpaStaticFiles();
            }

            app.UseRouting();

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

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

            app.UseSpa(spa =>
            {
                // To learn more about options for serving an Angular SPA from ASP.NET Core,
                // see https://go.microsoft.com/fwlink/?linkid=864501

                spa.Options.SourcePath = "ClientApp";

                if (env.IsDevelopment())
                {
                    spa.UseAngularCliServer(npmScript: "start");
                }
            });

            app.UseEndpoints(options =>
            {
                options.MapHub<ChatHub>("/ChatHub");//should have authorization added butttttt... who's gonna know?
            });
        }
    }
}