Function-as-a-Service (FaaS) is a way for developers to write small pieces of code that can be executed in response to an event, such as a user clicking on a web application. This approach is known as microservice architecture, which makes it easy to scale code and is a cost-efficient way to implement modular services. With FaaS, developers can focus on writing application logic, while the serverless provider takes care of server allocation and backend services, which typically means a much faster development turnaround.
The advantages of using FaaS are improved developer velocity, built-in scalability, and cost efficiency. However, FaaS also has some drawbacks, such as less system control and more complexity in testing the entire application. To get started with FaaS, developers must create a relationship with a serverless provider and consider the availability and geographical distribution of edge servers according to the physical location of their base demographic.
In summary, FaaS is a serverless way to execute small pieces of code in response to an event, making it easy to scale code in a cost-efficient way to implement microservices. This allows the developer to focus on one facet at a time, rather than having to consider the entire code interwoven into one large system through monolithic architecture. While there are advantages to using FaaS, there are also drawbacks, and developers must consider whether it is the best way to approach the architecture of their application.
Looking to learn more? We suggest heading over to Cloudflare’s Learning Center for an in-depth look at serverless computing.
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