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Enable DynamoDB in a local environment with LocalStack and Golang

In this post I invite you to build an API with Golang programming language and use the DynamoDB service. But all in our Local environment. Trust me ? zero cost for using AWS Cloud Services, let’s get started ! AWS and Localstack Many times we need to test an AWS service without spending our time in infrastructure and without having to incur in expenses, we must have a tool that allows us to create a local environment and thus be able to perform the necessary tests in a homologous way as we do in our cloud provider, in this case, AWS Services.

April 10, 2021 Read
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Handling creating of concrete types with Factory method

Factory Method Is a pattern of type creational that delegates the construction of objects to an interface. The interface has a method that return a type of specific object. Problem The company TransportPassengers has to transport many passengers after your workday. Solution First of all, we have to create our factory: func GetTransportType(quPassengers int) (product.ITransport, error) { if quPassengers >= 1 && quPassengers <=5 { return concrete.NewTaxi(), nil } if quPassengers >= 6 && quPassengers <=15 { return concrete.

April 8, 2021 Read