Auto update database in ASP.NET Core

main.cs

public static IWebHost MigrateDbContext<TContext>(this IWebHost webHost, Action<TContext, IServiceProvider> seeder = null) where TContext : DbContext
{
    using (var scope = webHost.Services.CreateScope())
    {
        var services = scope.ServiceProvider;
        var logger = services.GetRequiredService<ILogger<TContext>>();
        var context = services.GetService<TContext>();
        var configuration = services.GetService<IConfiguration>();
        var env = services.GetService<IHostingEnvironment>();

        var connectionString = configuration.GetConnectionString("DatabaseConnection");
        try
        {
            logger.LogInformation($"Migrating database associated with context {typeof(TContext).Name}");
            logger.LogInformation($"Connection string is {connectionString}");
            var retry = Policy.Handle<Exception>().WaitAndRetry(new[]
            {
                TimeSpan.FromSeconds(5),
                TimeSpan.FromSeconds(10),
                TimeSpan.FromSeconds(15),
            });

            retry.Execute(() =>
            {
                // Migrate even in production level.
                context.Database.Migrate();
                if (env.IsDevelopment())
                {
                    try
                    {
                        seeder?.Invoke(context, services);
                    }
                    catch (Exception ex)
                    {
                        logger.LogError(ex, $"An error occurred while seeding the database used on context {typeof(TContext).Name}");
                    }
                }
            });
            logger.LogInformation($"Migrated database associated with context {typeof(TContext).Name}");
        }
        catch (Exception ex)
        {
            logger.LogError(ex, $"An error occurred while migrating the database used on context {typeof(TContext).Name}");
        }
    }

    return webHost;
}