Program.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.OpenApi.Models;
using PlatformServices.Data;
using AutoMapper;
using PlatformServices.Profiles;

var builder = WebApplication.CreateBuilder(args);


builder.Services.AddControllers();
// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
builder.Services.AddOpenApi();
builder.Services.AddDbContext<AppDbContext>(options => 
options.UseInMemoryDatabase("InMem"));
builder.Services.AddScoped<IPlatformRepo, PlatformRepo>();
builder.Services.AddSwaggerGen(c=> c.SwaggerDoc("v1", new OpenApiInfo { Title = "PlatformServices", Version = "v1" }));
builder.Services.AddAutoMapper(AppDomain.CurrentDomain.GetAssemblies());

var app = builder.Build();

// Keep MapOpenApi for development-specific behavior if desired
if (app.Environment.IsDevelopment())
{
    app.MapOpenApi();
}

// Serve Swagger JSON and the Swagger UI.
// Set RoutePrefix = string.Empty so the UI is available at the app root ("/").
// That makes the browser land on the Swagger UI when the app root is opened.
app.UseSwagger();
app.UseSwaggerUI(c =>
{
    c.SwaggerEndpoint("/swagger/v1/swagger.json", "PlatformServices v1");
    c.RoutePrefix = string.Empty; // serve Swagger UI at "/"
});

app.UseHttpsRedirection();

app.UseAuthorization();

app.MapControllers();

PrepDb.PrepPopulation(app);
app.Run();