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What is Azure Functions?

Azure Functions is an event driven, compute-on-demand experience that extends the existing Azure application platform with capabilities to implement code triggered by events occurring in virtually any Azure or 3rd party service as well as on-premises systems.
Azure Functions is a tool in the Serverless / Task Processing category of a tech stack.

Who uses Azure Functions?

Companies
145 companies reportedly use Azure Functions in their tech stacks, including accuRx, Global, and Core Banking.

Developers
476 developers on StackShare have stated that they use Azure Functions.

Azure Functions Integrations

JavaScript, GitHub, Node.js, Visual Studio Code, and Java are some of the popular tools that integrate with Azure Functions. Here's a list of all 24 tools that integrate with Azure Functions.
Pros of Azure Functions
14
Pay only when invoked
11
Great developer experience for C#
9
Multiple languages supported
7
Great debugging support
5
Can be used as lightweight https service
4
Easy scalability
3
WebHooks
3
Costo
2
Event driven
2
Azure component events for Storage, services etc
2
Poor developer experience for C#
Decisions about Azure Functions

Here are some stack decisions, common use cases and reviews by companies and developers who chose Azure Functions in their tech stack.

REST API for SaaS application

I'm currently developing an Azure Functions REST API with TypeScript, tsoa, Mongoose, and Typegoose that contains simple CRUD activities. It does the job and has type-safety as well as the ability to generate OpenAPI specs for me.

However, as the app scales up, there are more duplicated codes (for similar operations - like CRUD in each different model). It's also becoming more complex because I need to implement a multi-tenancy SaaS for both the API and the database.

So I chose to implement a repository pattern, and I have a "feeling" that .NET and C# will make development easier because, unlike TypeScript, it includes native support for Dependency Injection and great things like LINQ.

It wouldn't take much effort to migrate because I can easily translate interfaces and basic CRUD operations to C#. So, I'm looking for advice on whether it's worth converting from TypeScript to.NET.

See more

Azure Functions's Features

  • Easily schedule event-driven tasks across services
  • Expose Functions as HTTP API endpoints
  • Scale Functions based on customer demand
  • Develop how you want, using a browser-based UI or existing tools
  • Get continuous deployment, remote debugging, and authentication out of the box

Azure Functions Alternatives & Comparisons

What are some alternatives to Azure Functions?
AWS Lambda
AWS Lambda is a compute service that runs your code in response to events and automatically manages the underlying compute resources for you. You can use AWS Lambda to extend other AWS services with custom logic, or create your own back-end services that operate at AWS scale, performance, and security.
Kubernetes
Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions.
NGINX
nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoev. According to Netcraft nginx served or proxied 30.46% of the top million busiest sites in Jan 2018.
Apache HTTP Server
The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Originally designed as a replacement for the NCSA HTTP Server, it has grown to be the most popular web server on the Internet.
Amazon EC2
It is a web service that provides resizable compute capacity in the cloud. It is designed to make web-scale computing easier for developers.
See all alternatives

Azure Functions's Followers
699 developers follow Azure Functions to keep up with related blogs and decisions.