Functions as a Service
FaaS is the solution for those instances where you want to run functions (usually small pieces of code) in the cloud. FaaS is Azure's answer to serverless computing. Functions are ideal for integrating your locally hosted application with microservices from Azure.
The following diagram shows a typical e-commerce application. As you can see, the website content (HTML) and database are local to the installation of the e-commerce website. Payment processing and email processing are sourced out to microservices. The code for these services is not stored locally but accessed through web service calls. This type of setup allows for a best-in-class approach as the best microservice provider for the task may be implemented ...
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