This is a CRM Backend Project that provides a set of APIs for managing customer data. This is a final project for Go Language (Golang) course at Udacity.

1. Clone the repository:

   git clone https://github.com/gkj/golang.git

2. Change to the project directory:

   cd golang

3. Install the dependencies:

   go mod download

4. Run the service:

   go run main.go

To use the APIs, you can perform CURL requests to the following endpoints:

Endpoint: /customers

Method: GET

Description: Retrieves all customers.

curl --location 'http://localhost:3000/customers' \
--data ''

Endpoint: /customers/{id}

Method: GET

Description: Retrieves a single customer by their ID.

curl --location 'http://localhost:3000/customers/1' \
--data ''

Endpoint: /customers

Method: POST

Description: Creates a new customer.

curl --location 'http://localhost:3000/customers' \
--header 'Content-Type: application/json' \
--data-raw '{
    "id": 4,
    "name": "Gilang",
    "role": "User",
    "email": "[email protected]",
    "phone": "098763454321"
}'

Endpoint: /customers/{id}

Method: PUT

Description: Updates an existing customer by their ID.

curl --location --request PUT 'http://localhost:3000/customers/3' \
--header 'Content-Type: application/json' \
--data-raw '{
    "id": 3,
    "name": "Gilang Kusuma",
    "role": "User",
    "email": "[email protected]",
    "phone": "098763454321"
}'

Endpoint: /customers/{id}

Method: DELETE

Description: Deletes a customer by their ID.

curl --location --request DELETE 'http://localhost:3000/customers/3' \
--data ''