Run code as a function without creating and maintaining virtual machines.
Function as a Service (FaaS) is a cloud-based, serverless computing service that allows developers to run and update code in a ready-made environment without the need to create and maintain virtual machines.
The use of FaaS accelerates the development process and simplifies the design of a microservice architecture.
FaaS is often used to extend the functionality of applications by creating its own microservices via HTTP API or integrating third-party services via Webhook.
FaaS is a cloud service that allows you to run code without the need to design and maintain a runtime environment. The entire server part is divided into functions that are activated when a certain event occurs (for example, when an HTTP request is received).
As a result, FaaS allows you to focus entirely on development without worrying about infrastructure management.
This is the basis of FaaS, a method of providing cloud services in which computing resources are automatically adjusted to your load. You do not have to rent virtual instances and physical servers or determine the required capacities by yourself. The necessary amount of resources will be allocated to you automatically, and when some instances are no longer needed, they will also be automatically deleted.
In serverless computing, the provider’s area of responsibility includes adding, removing, monitoring, and other operations with virtual and physical instances. You write and update the code, and the IT infrastructure adjusts itself to your needs.
Functions are perfectly suited to a microservice architecture. Changing the code of independent application components becomes even easier with them. All modifications are made on the fly without stopping the application. At the same time, you do not need Docker or Kubernetes. We take care of container management as well.
Moreover, FaaS is a great solution if it is crucial for you to release a product as quickly as possible. FaaS significantly speeds up the launch process by eliminating the need for your team to spend time managing the infrastructure.
It is also great for solving the scaling problem. FaaS will be the right fit if the load on your applications fluctuates sharply and you have frequent traffic surges. Computing capacity will increase and decrease automatically.
With FaaS, the infrastructure automatically adjusts to your needs. Only the computing power that is needed at the moment is used. Therefore, no resources stand idle, and you pay only for the capacities that you actually use.
Python, Go, and other popular programming languages soon.
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