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In Microservices Each service can be created and run independently; these apps are loosely related to several services. Each independent services interacting across lightweight protocols including HTTP or message queues.
Design patterns are reusable solutions to common problems in software design. Their help makes code clean, maintainable, and scalable. Design patterns fall into three categories:
Problem: Creating objects directly can lead to tight coupling between client code and concrete classes, making it hard to adapt to changes or extend the system with new classes.
Solution: The Factory Pattern solves this by providing an interface to create objects without exposing their concrete implementations.
How: The Factory Pattern defines a factory class or method responsible for creating objects. Clients request objects from the factory using a common interface, allowing them to work with abstract types while leaving the concrete object creation to the factory.