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https://github.com/fission/fission

Fast and Simple Serverless Functions for Kubernetes
https://github.com/fission/fission

cloud-native containers devops docker faas fission functions functions-as-a-service go hacktoberfest kubernetes lambda serverless serverless-functions

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Fast and Simple Serverless Functions for Kubernetes

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Fission: Serverless Functions for Kubernetes





  

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--------------



Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. With Fission, developers can easily create and deploy serverless functions that can be triggered by a variety of events, such as HTTP requests, messages from a message queue, or scheduled tasks.



Fission provides a simple, easy-to-use interface for developers to create serverless functions in their language of choice, without having to worry about the underlying infrastructure. The framework also offers automatic scaling, so functions can scale up or down based on demand, without any additional configuration.



Fission operates on _just the code_: Docker and Kubernetes are

abstracted away under normal operation, though you can use both to

extend Fission if you want to.



Fission is extensible to any language; the core is written in Go, and

language-specific parts are isolated in something called

_environments_ (more below).  Fission currently supports NodeJS, Python, Ruby, Go, 

PHP, Bash, and any Linux executable, with more languages coming soon.



Table of Contents

=================

- [Table of Contents](#table-of-contents)

  - [Performance: 100msec cold start](#performance-100msec-cold-start)

  - [Kubernetes is the right place for Serverless](#kubernetes-is-the-right-place-for-serverless)

  - [Getting Started](#getting-started)

  - [Learn More](#learn-more)

  - [Contributing](#contributing)

  - [Who is using Fission?](#who-is-using-fission)

  - [Sponsors](#sponsors)

- [License](#license)



## Performance: 100msec cold start



Fission maintains a pool of "warm" containers that each contain a

small dynamic loader.  When a function is first called,

i.e. "cold-started", a running container is chosen and the function is

loaded.  This pool is what makes Fission fast: cold-start latencies

are typically about 100msec.



## Kubernetes is the right place for Serverless



We're built on Kubernetes because we think any non-trivial app will

use a combination of serverless functions and more conventional

microservices, and Kubernetes is a great framework to bring these

together seamlessly.



Building on Kubernetes also means that anything you do for operations

on your Kubernetes cluster — such as monitoring or log

aggregation — also helps with ops on your Fission deployment.



## Getting Started



```bash

  # Add the stock NodeJS env to your Fission deployment

  $ fission env create --name nodejs --image fission/node-env



  # Create a function with a javascript one-liner that prints "hello world"

  $ fission function create --name hello --env nodejs --code https://raw.githubusercontent.com/fission/examples/master/nodejs/hello.js



  # Run the function.  This takes about 100msec the first time.

  $ fission function test --name hello

  Hello, world!

```



## Learn More



- Understand [Fission Concepts](https://fission.io/docs/concepts/).

- See the [installation guide](https://fission.io/docs/installation/) for installing and running Fission.

- You can learn more about Fission and get started from [Fission Docs](https://fission.io/docs).

- To see Fission in action, check out the [Fission Examples Repo](https://github.com/fission/examples).

- See the [troubleshooting guide](https://fission.io/docs/trouble-shooting/) for debugging your functions and Fission installation.



## Contributing



Check out the [contributing guide](CONTRIBUTING.md).



## Who is using Fission?

- [Fareye](https://www.getfareye.com)

- Apple

- [iQuanti](https://www.iquanti.com)

- A large telecom CSP

- [Gadget](https://gadget.dev)

- [CinnamonAI](https://cinnamon.is/en)

- [Armo](https://www.armosec.io/)

- [The Social Audience](https://thesocialaudience.com/)

- [KubeML](https://github.com/DiegoStock12/kubeml)

- Unilever

- [BD](https://www.bd.com/en-in)

- [Biofourmis](https://biofourmis.com/)

- [Babylon](https://www.babylonhealth.com/en-gb)



## Sponsors



The following companies, organizations, and individuals support Fission's ongoing maintenance and development. If you are using/contributing to Fission, we would be happy to list you here, please raise a Pull request.





  InfraCloud

  Srcmesh

  

    

  




# License



Fission is licensed under the Apache License 2.0 - see the [LICENSE](./LICENSE) file for details