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4. Run it!

The project is ready to be executed. The env var called ENVIRONMENT will be needed in order to read the local configuration. Now your project is ready to run with the following command:

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~/projects/booking-fly> ENVIRONMENT=dev go run main.go

Booking Fly App

The Booking Fly application example is available to clone from our GitHub repository: Booking Fly.

How to call application endpoints?

Add a user to your app: 

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curl --location 'http://localhost:8081/api/v1/users' \
--header 'Content-Type: application/json' \
--data-raw '{
    "name": "Jhon Doe",
    "email": "jhon.doe@example.com",
    "password": "super-secret",
    "plan": "BRONZE",
    "miles": 1500
}'

The response should be like: 

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{
    "id": "01J9MB1EQMHJ9XCEXJBMBDH47Y",
    "created": 1728333265652,
    "updated": 1728333265652,
    "name": "Jhon Doe",
    "email": "jhon.doe@example.com",
    "password": "super-secret",
    "plan": "BRONZE",
    "miles": 1500
}
Fetch the given user id and try to perform a fly reservation calling: 
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curl --location 'http://localhost:8081/api/v1/booking' \
--header 'Content-Type: application/json' \
--data '{
    "departure": "CFO",
    "arrival": "JFK",
    "miles": 2700,
    "from": 1726837954000,
    "to": 1727529154000,
    "userId": "01J9MB1EQMHJ9XCEXJBMBDH47Y"
}'
And the response looks like: 
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{
    "id": "01J9MB1S7DHCNHMH0NGGNQNN77",
    "created": 1728333276397,
    "updated": 1728333276397,
    "departure": "CFO",
    "arrival": "JFK",
    "miles": 2700,
    "from": 1726837954000,
    "to": 1727529154000,
    "userId": "01J9MB1EQMHJ9XCEXJBMBDH47Y"
}

Once that a reservation is success the user state is upgraded following the use case rules. Fetch the user to see the new status: 

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curl --location 'http://localhost:8081/api/v1/users/01J9MB1EQMHJ9XCEXJBMBDH47Y'

So, the user status has been upgraded! ... the new plan is SILVER and the accumulated miles are 4500. 

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{
    "id": "01J9MBJYFKTSNS6BNJKWZ6ZEKD",
    "created": 1728333838835,
    "updated": 1728333842563,
    "name": "Jhon Doe",
    "email": "jhon.doe@example.com",
    "password": "super-secret",
    "plan": "SILVER",
    "miles": 4500
}

What's next?

After running the example app successfully we encourage you to continue reading the next topics: