Fiber Contact API

API sederhana dengan Golang (Fiber) + PostgreSQL untuk registrasi, login, dan manajemen kontak (CRUD) menggunakan pendekatan DDD (Domain-Driven Design) dan Repository Pattern.

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✨ Features

• 🔐 User Register & Login (JWT)
• 👤 CRUD Kontak
• 🧠 Clean Architecture (DDD & Repository)
• 🐘 PostgreSQL Database
• ⚡ Fiber (Express-style Go web framework)

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🗂️ Backend Folder Structure

.
├── cmd/                        # Entry Point
│   └── main.go
├── internal/
│   ├── domain/                 # Entity & interface
│   ├── handler/                # HTTP handlers
│   ├── infrastructure/         # Repository impl
│   ├── middleware/             # JWT middleware
│   └── usecase/                # Business logic
├── migrations/                 # SQL table schema
├── go.mod / go.sum
└── .env

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🔃 Flowchart (Register & Login)

flowchart TD
    A[Client] -->|POST /register| B[Register Handler]
    B --> C[UserUsecase.Register]
    C --> D[UserRepository.Create]
    D --> E[(PostgreSQL)]
    A2[Client] -->|POST /login| F[Login Handler]
    F --> G[UserUsecase.Login]
    G --> H[UserRepository.FindByEmail]
    H --> I[(PostgreSQL)]
    G --> J[Generate JWT]

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🧩 ERD (Entity Relationship Diagram)

erDiagram
    USERS ||--o{ CONTACTS : has
    USERS {
        int id PK
        string name
        string email
        string password
        timestamp created_at
        timestamp updated_at
    }
    CONTACTS {
        int id PK
        int user_id FK
        string name
        string phone
        string email
        string note
        timestamp created_at
        timestamp updated_at
    }

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⚙️ Setup & Run

1. Clone & Install Dependencies

git clone https://github.com/your-username/fiber-contact-api.git
cd fiber-contact-api
go mod tidy

2. Environment

Buat file .env:

PORT=3000
DB_HOST=localhost
DB_PORT=5432
DB_USER=postgres
DB_PASSWORD=yourpassword
DB_NAME=yourdb
JWT_SECRET=your_jwt_secret

3. Database Setup

# PostgreSQL
psql -U postgres -d yourdb -f migrations/create_users_table.sql
psql -U postgres -d yourdb -f migrations/create_contacts_table.sql

4. Run App

go run main.go

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📬 API Endpoints

Auth

Method	Endpoint	Description
POST	/api/register	Register user
POST	/api/login	Login & get token

Contacts (JWT Required)

Method	Endpoint	Description
POST	/api/contacts	Create new contact
GET	/api/contacts	List all contacts
GET	/api/contacts/:id	Get single contact
PUT	/api/contacts/:id	Update contact
DELETE	/api/contacts/:id	Delete contact

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🧑‍💻 Author

404 Not Found Indonesia

Contributor:

• @iqbaleff214

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🧪 License

This project is open-sourced software licensed under the MIT license.