コード例 #1
0
        public static async Task Main(string[] args)
        {
            var host = CreateHostBuilder(args).Build();

            using (var scope = host.Services.CreateScope())
            {
                var services = scope.ServiceProvider;

                try
                {
                    var context = services.GetRequiredService <ApplicationDbContext>();

                    if (context.Database.IsSqlServer())
                    {
                        context.Database.Migrate();
                    }

                    var userManager = services.GetRequiredService <UserManager <User> >();

                    await DatabaseSeed.SeedSampleDataAsync(context, userManager);
                }
                catch (Exception ex)
                {
                    var logger = scope.ServiceProvider.GetRequiredService <ILogger <Program> >();

                    logger.LogError(ex, "An error occurred while migrating or seeding the database.");

                    throw;
                }
            }

            await host.RunAsync();
        }