Teamup/src/Hosts/TeamUp.Web/Program.cs

using System.Text.Json.Serialization;
using OpenTelemetry.Trace;
using Serilog;
using TeamUp.Bootstrap;
using TeamUp.Infrastructure.Observability;
using TeamUp.Infrastructure.Persistence;

var builder = WebApplication.CreateBuilder(args);

builder.Host.UseSerilog((context, services, configuration) => configuration
    .ReadFrom.Configuration(context.Configuration)
    .ReadFrom.Services(services));

builder.Services.AddOpenApi();

// Bind/serialize enums as strings across the API (e.g. ScopeType "Organization", RoleType "Member").
builder.Services.ConfigureHttpJsonOptions(options =>
    options.SerializerOptions.Converters.Add(new JsonStringEnumConverter()));

builder.Services.AddTeamUpObservability(
    builder.Configuration,
    serviceName: "teamup-web",
    configureTracing: tracing => tracing.AddAspNetCoreInstrumentation());

builder.Services.AddTeamUpPersistence(builder.Configuration);
builder.Services.AddTeamUpModules(builder.Configuration);

var app = builder.Build();

// Apply migrations on startup when configured (default: in Development). EF Core takes a
// DB-wide lock, so the web and worker applying concurrently is safe.
if (app.Configuration.GetValue("Database:ApplyMigrationsOnStartup", app.Environment.IsDevelopment()))
{
    await MigrationRunner.MigrateAllAsync(app.Services);
}

if (app.Environment.IsDevelopment())
{
    app.MapOpenApi();
}

app.UseSerilogRequestLogging();

// Serve the built SPA from wwwroot (single deployable). UseStaticFiles (not MapStaticAssets)
// because the SPA is copied into wwwroot at publish/Docker time, after the build-time asset
// manifest is computed.
app.UseDefaultFiles();
app.UseStaticFiles();

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

app.MapHealthChecks("/health");
app.MapTeamUpModules();

// SPA deep links (client-side routing) fall back to index.html.
app.MapFallbackToFile("index.html");

app.Run();

/// <summary>Exposed so the integration tests can drive the host via WebApplicationFactory.</summary>
public partial class Program
{
}