On The Blog

News, tutorials and case-studies from the OpenFaaS team.

  • Scale to zero GPUs with OpenFaaS, Karpenter and AWS EKS

    February 05, 2025 Gpu Ai Eks Openfaas Serverless Auto-scaling

    Learn how to run GPU accelerated functions on OpenFaaS while using Karpenter to save on infrastructure cost.

    Han Verstraete

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  • How to access APIs with OAuth tokens from OpenFaaS functions

    January 31, 2025 Oauth Cron Integration Apis

    Learn how to access APIs that require OAuth tokens from your functions, from the initial token exchange and capture, to refreshing the token periodically.

    Alex Ellis

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  • Save costs on AWS EKS with OpenFaaS and Karpenter

    January 29, 2025 Eks Openfaas Serverless Auto-scaling

    In this tutorial we will show you a recommended configuration for OpenFaaS Functions for Karpenter on AWS EKS.

    Han Verstraete and Alex Ellis

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  • How to Build & Integrate with Functions using OpenFaaS

    January 13, 2025 Openfaas Serverless Event-driven Automation Integration Kubernetes

    OpenFaaS is a developer-friendly platform for creating portable functions that can run on any cloud through Kubernetes. In this blog post, you will learn about use-cases, language templates, differences from traditional applications and cloud-based functions, how functions can be triggered, scaled and observed, and how to get started with OpenFaaS.

    Alex Ellis

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  • Trigger Your OpenFaaS Functions from RabbitMQ Queues

    December 04, 2024 Rabbitmq Openfaas Serverless Event-driven Automation

    Learn how to connect RabbitMQ to OpenFaaS to trigger functions from new and existing message queues.

    Alex Ellis

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  • How to Build and Scale Python Functions with OpenFaaS

    November 27, 2024 Functions Python Autoscaling Pip

    In this quickstart, we’ll guide you through how to build, scale and monitor your first Python function with OpenFaaS.

    Alex Ellis

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  • Introducing OpenFaaS Edge

    September 23, 2024 Edge Industrial Iot Redistribution Arm

    Meet OpenFaaS Edge, a commercial distribution of faasd fused together with OpenFaaS Pro, for commercial use, with support and new features.

    Alex Ellis

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  • How to check for price drops with Functions, Cron & LLMs

    September 04, 2024 Casestudy Llm Scraping Golang Automation Cron Scheduled

    Learn how Alex bought a set of premium woodworking chisels by monitoring their price using HTML scraping and a cron job with OpenFaaS. You can apply the same technique for things you’d like to monitor & buy, or for automating other tasks.

    Alex Ellis

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  • Integrate FaaS Capabilities into Your Platform with OpenFaaS

    August 29, 2024 Kubernetes Chargeback Faas Cloud Saas

    Learn how a Functions as a Service or (FaaS) capability can be integrated into your platform. With a FaaS capability, customers can provide their own code to execute, and your own staff can extend your product without going through release cycles. OpenFaaS provides a turnkey solution with modular components and REST APIs that are easy to integrate and adapt to your own needs.

    Alex Ellis

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  • How to scale OpenFaaS Functions with Custom Metrics

    August 22, 2024 Kubernetes Faas Functions Autoscaling Metrics

    In the first part of our mini-series on autoscaling, we looked at how autoscaling has evolved in OpenFaaS going all the way back to 2017, and how today you can use Requests Per Second, Capacity (inflight requests), and CPU utilization to scale functions horizontally.

    Alex Ellis

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