añade inicio del back

back/back.ApiService/Program.cs

@@ -0,0 +1,36 @@
+using Microsoft.EntityFrameworkCore;
+
+internal class Program
+{
+    private static void Main(string[] args)
+    {
+        var builder = WebApplication.CreateBuilder(args);
+
+        builder.Services.AddDbContext<back.ApiService.context.PhotoContext>(options => options.UseSqlite("Data Source=photos.db"));
+
+        builder.Services.AddControllers();
+
+        // Add service defaults & Aspire client integrations.
+        builder.AddServiceDefaults();
+
+        // Add services to the container.
+        builder.Services.AddProblemDetails();
+
+        // Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+        builder.Services.AddOpenApi();
+
+        var app = builder.Build();
+
+        // Configure the HTTP request pipeline.
+        app.UseExceptionHandler();
+
+        if (app.Environment.IsDevelopment())
+        {
+            app.MapOpenApi();
+        }
+
+        app.MapControllers();
+
+        app.Run();
+    }
+}