# Siklus Hidup Aplikasi (.NET)

> Startup, Program.cs, Host builder, WebApplicationBuilder, app shutdown, hosted services

- 20 pertanyaan wawancara
- Junior
- [Pertanyaan Wawancara: .NET](https://sharpskill.dev/id/technologies/dotnet/pertanyaan-wawancara.md)

## 1. Apa peran utama file Program.cs dalam aplikasi ASP.NET Core?

**Jawaban**

File Program.cs memusatkan kode startup aplikasi, termasuk konfigurasi service yang diperlukan melalui Dependency Injection dan definisi pipeline pemrosesan request sebagai komponen middleware. Pendekatan ini mengonsolidasikan seluruh konfigurasi dalam satu file, sehingga lebih mudah mengelola dan memahami setup aplikasi.

## 2. Metode mana yang digunakan untuk membuat WebApplicationBuilder dengan pengaturan default?

**Jawaban**

WebApplication.CreateBuilder() adalah metode standar untuk menginisialisasi WebApplicationBuilder dengan konfigurasi default. Metode ini secara otomatis mengonfigurasi logging, konfigurasi (appsettings.json, variabel lingkungan), server Kestrel, dan pengaturan penting lainnya untuk menjalankan aplikasi ASP.NET Core modern.

## 3. Di mana mengonfigurasi service yang dibutuhkan aplikasi sebelum membangun WebApplication?

**Jawaban**

Properti builder.Services dari WebApplicationBuilder menyediakan akses ke container Dependency Injection tempat semua service didaftarkan sebelum membangun aplikasi. Ini adalah tempat yang tepat untuk menambahkan service seperti AddControllers(), AddDbContext(), atau service kustom lainnya dengan lifetime yang sesuai (singleton, scoped, transient).

## 17 pertanyaan lagi tersedia

- Metode mana yang dipanggil pada WebApplicationBuilder untuk membangun aplikasi?
- Dalam aplikasi ASP.NET Core, middleware mana yang harus didaftarkan pertama untuk keamanan?

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