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Project Documentation

Quickstart  |  Tutorials  |  Docs  |  API

Fn is an event-driven, open source, Functions-as-a-Service (FaaS) compute platform that you can run anywhere.

Getting Started

• Quickstart Tutorial

• Fn Installation

• Fn Introduction

• Using Fn with Java

  • Java Tutorial
  • Java Examples

• Using Fn with Node.js

  • Node Tutorial
  • Node Examples

• Using Fn with Python

  • Python Tutorial
  • Python Examples

• Creating Functions with Docker

  • Create a Function with a Docker Container
  • Create a Function from a Docker image that contains a Node.js app with Oracle DB Support
  • Create a Function with a Linux Command and HotWrap

• Logging and Debugging Tutorial

  • Function Debugging
  • FAQ

• Using Fn with Other Languages

  • Using Fn with C#
  • Using Fn with Go
  • Using Fn with Ruby

• Exploring Fn

  • Create Apps with Fn
  • Fn Dev with Muliple Contexts
  • Using the Fn RuntimeContext with Functions

• Popular Fn Topics

  • Fn Function File Format: All the values that can be used in func.yaml.
  • Fn FDKs: Function Development Kits for supported languages.
  • Fn Runtime Options
  • Kubernetes Helm Chart for Fn
  • Fn Sub-projects: Flow, UI
  • Running Fn in Production
  • Triggers: Using triggers.
  • Troubleshooting: Solutions to common problems when working with Fn.
    • Known Issue: Trying to invoke a function when using a CentOS based Linux fails with an error message
  • Using Fn with Podman instead of Docker: Use Podman with the Fn client.
  • Windows: Running Fn Client for Windows: Run the Fn client on Microsoft Windows.

  More Fn Docs

  | APIs  | CLI Docs and Reference  | Fn Tips for Developers  | Fn Tips for Operators  |

  For Contributors

  We love contributions! To get started, please visit our community page and contributing guidelines page.

  Stay Connected to Fn

  | StackOverflow  | Slack Community  | Blog  | Twitter  | YouTube  | The Fn Project Presentation Master  |