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Singleton Pattern

Explore the singleton design pattern to understand how to manage a single instance of a struct across an application. Learn its use cases such as logging and database access, and how to implement it efficiently in Go. Gain insights on when to apply or avoid this pattern for scalable backend development.

Description

We have used the singleton pattern in our course already, so it should seem familiar. The singleton design pattern is one of the most commonly used design patterns. It is used when only a single instance of a struct should exist in the entirety of an application’s life cycle. This single instance is called a singleton object. When we want to leverage any functionality of this struct, we will fetch the singleton instance and use its ...