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What is serverless and why it is important?

Serverless computing allows developers to write and deploy code without worrying about underlying infrastructure, leading to cost savings, scalability, flexibility, and security. However, it can also result in vendor lock-in and difficulties in debugging.

As a developer, you are constantly searching for ways to build and deploy applications more efficiently. One approach that has gained popularity in recent years is the concept of “serverless” computing. But what exactly is serverless, and how can it benefit developers?

server is on fire

In a traditional computing environment, you would need to provision and manage servers to host your applications. This involves purchasing and setting up hardware, installing an operating system and necessary software, and configuring the server to meet your needs. It also requires ongoing maintenance and updates to ensure that the server is running smoothly and securely.

Serverless computing flips this model on its head. Instead of managing servers, you simply write and deploy your code to a cloud provider that handles all of the underlying infrastructure for you. This means that you don’t have to worry about setting up or maintaining servers, and you only pay for the resources that your code actually consumes.

If you prefer a video, watch this great video from Fireship youtube channel about serverless

There are several benefits to using a serverless approach:

Cost savings of serverless

Because you only pay for the resources that your code consumes, you can save money on infrastructure costs compared to running your own servers.

Scalability of serverless

It’s easy to scale your application up or down based on demand in a serverless environment. The cloud provider automatically handles the allocation of resources, so you don’t have to worry about capacity planning.

Flexibility of serverless

With serverless, you can focus on writing code rather than managing infrastructure. This allows you to be more agile and responsive to changing business needs.

Security of serverless

Cloud providers have teams of experts dedicated to ensuring the security of their infrastructure. This can give you peace of mind knowing that your applications are running on a secure platform.

There are also some potential drawbacks to consider when using serverless computing. One concern is vendor lock-in, as you are reliant on a specific cloud provider for the infrastructure of your application. Additionally, it can be more difficult to debug and troubleshoot issues in a serverless environment, as you don’t have as much visibility into the underlying infrastructure.

Overall, serverless computing offers a number of benefits for developers looking to build and deploy applications more efficiently. While it may not be the right fit for every situation, it is definitely worth considering for your next project.