migrate database

Startup.cs

@@ -18,6 +18,7 @@ using nuget_host.Interfaces;
 using nuget_host.Services;
 using nuget_host.Entities;
 using nuget_host.Models;
+using System.Reflection;
 
 namespace nuget_host
 {
@@ -70,6 +71,25 @@ namespace nuget_host
             {
                 app.UseExceptionHandler("/Home/Error");
                 app.UseHsts();
+                try
+                {
+                    using (var serviceScope = app.ApplicationServices.GetRequiredService<IServiceScopeFactory>()
+                            .CreateScope())
+                    {
+                        serviceScope.ServiceProvider.GetService<ApplicationDbContext>()
+                                .Database.Migrate();
+                    }
+                }
+                catch (TargetInvocationException ex)
+                {
+                    if (ex.InnerException is InvalidOperationException)
+                    // nothing to do ?
+                    {
+                        // TODO (or not) Hit the developper
+                    }
+                    else throw ex;
+                }
+                
             }
 
             app.UseStaticFiles();