API-GO: Product Management with JWT Verification

This project is an API for product management developed in Go using the Gin framework. The architecture is modular, ensuring better organization and maintainability.

---

🚀 Project Initialization

Pre-requisites

Make sure you have installed:

• Golang: Install Golang
• Docker: Install Docker

---

How to Run

1. Clone the project and navigate to the folder:

   git clone https://github.com/usuario/api-go.git
   cd api-go

2. Configure the database connection: Edit the settings in the db/conn.go file to reflect your credentials.

3. Start the services with Docker:

   docker-compose up

4. Access the API at the address:

   • http://localhost:8000

---

📚 Project Structure

The structure is organized as follows:

API-GO/
├── cmd/
│   └── main.go               # Main file to start the application
├── controller/
│   └── product_controller.go # Controllers responsible for the routes
├── db/
│   └── conn.go               # Database configuration and connection
├── model/
│   ├── product.go            # Product model
│   └── response.go           # Response structures for the API
├── repository/
│   └── product_repository.go # Layer for interacting with the database
├── usecase/
│   └── product_usecase.go    # Business logic and application logic
├── .gitignore                # Files ignored in version control
├── docker-compose.yml        # Docker Compose configuration
├── Dockerfile                # Docker container configuration
├── go.mod                    # Project dependencies
├── go.sum                    # Dependency hashes
└── README.md                 # Project documentation

---

📖 Endpoints

Ping

• GET /ping
  • Returns a test message.
  • Response:

    {
      "message": "initial tests"
    }

---

Products

• GET /products

  • Lists all registered products.
  • Example Response:

    [
      {
        "id": 1,
        "name": "Product 1",
        "price": 100.00
      },
      {
        "id": 2,
        "name": "Product 2",
        "price": 150.00
      }
    ]

• POST /product

  • Creates a new product.
  • Body:

    {
      "name": "Sample Product",
      "price": 100.00
    }

  • Example Response:

    {
      "id": 1,
      "name": "Sample Product",
      "price": 100.00
    }

• GET /product/:productId

  • Returns a specific product based on the ID.
  • Example Response:

    {
      "id": 1,
      "name": "Sample Product",
      "price": 100.00
    }

• PUT /product

  • Updates an existing product.
  • Body:

    {
      "id": 1,
      "name": "Updated Product",
      "price": 150.00
    }

  • Example Response:

    {
      "id": 1,
      "name": "Updated Product",
      "price": 150.00
    }

• DELETE /product/:productId

  • Removes a product based on the ID.
  • Example Response:

    {
      "message": "Product successfully removed"
    }

---

🛠️ Technologies Used

• Golang: Main programming language.
• Gin: Lightweight and fast framework for API development.
• Docker: For container creation and management.
• PostgreSQL (or another relational database): Configured in the db module.

---