Serverless computing

Serverless computing is the idea that servers, infrastructure, or operating systems are behind the scenes, and for users, they do not exist.
Infrastructure isn’t your responsibility.
Scaling and performance are automatically taken care of.
Azure takes care of the servers and how resources are allocated and deallocated.
Micro-billing: Pay only for the time their code runs.
For example, if the code runs once a day for two minutes, they’re charged for one execution and two minutes of computing time.
There isn’t even a need to reserve capacity.
Event-driven: Excellent fit for workloads that respond to incoming events. Events include triggers by:
Timers, for example, if a function needs to run every day at 10:00 AM UTC.
HTTP, for example, API and webhook scenarios.
Queues, for example, with order processing.
And much more.
Azure has two implementations of serverless computing:
Azure Functions: Functions can execute code in almost any modern language.
Azure Logic Apps: Logic apps are designed by a web-based designer and can execute logic triggered by Azure services without writing any code.

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