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On the recordRead 7 Oct 202622 facts
OpenFunction
On the record
- Autoscaling
- It supports autoscaling from zero to N and event-metric-based autoscaling for asynchronous functions.openfunction.dev · read 7 Oct 2026
- Backend integrations
- OpenFunction integrates with Dapr and currently supports its pub/sub and bindings building blocks.openfunction.dev · read 7 Oct 2026
- Builds
- It can build function source code into container images using Shipwright and Cloud Native Buildpacks.openfunction.dev · read 7 Oct 2026
- Deployment
- Installation requires a Kubernetes cluster and documents deployment using Helm charts.openfunction.dev · read 7 Oct 2026
- Event bus
- OpenFunction Events lists NATS Streaming as a supported event bus broker.openfunction.dev · read 7 Oct 2026
- Event sources
- OpenFunction Events lists Kafka, Cron, and Redis as supported event source types.openfunction.dev · read 7 Oct 2026
- Event triggers
- Async-function examples include Kafka, cron, and MQTT inputs.openfunction.dev · read 7 Oct 2026
- Function types
- It supports both synchronous and asynchronous functions, including asynchronous functions triggered by events.openfunction.dev · read 7 Oct 2026
- Installation requirement
- Installation requires a Kubernetes cluster, and the documented Helm installation requirements specify Kubernetes 1.21 or later and Helm 3.6.3 or later.openfunction.dev · read 7 Oct 2026
- Integrations
- Its BaaS integration uses Dapr and currently supports the pub/sub and bindings building blocks.openfunction.dev · read 7 Oct 2026
- Known limitation
- The FAQ says per-revision hard concurrency limits for Knative Serving are not currently supported by OpenFunction.openfunction.dev · read 7 Oct 2026
- Languages
- The sync-function examples cover Go, Node.js, Python, Java, and .NET.openfunction.dev · read 7 Oct 2026
- License
- OpenFunction is licensed under the Apache License, Version 2.0.openfunction.dev · read 7 Oct 2026
- Networking
- OpenFunction Gateway is based on Kubernetes Gateway API and can use compatible gateway implementations such as Contour, Istio, and Apache APISIX.openfunction.dev · read 7 Oct 2026
- Notable limitation
- The FAQ says private image repository access using certain insecure configurations is not supported directly by Cloud Native Buildpacks and gives a workaround.openfunction.dev · read 7 Oct 2026
- Project status and license
- The GitHub repository identifies OpenFunction as a CNCF Sandbox project and lists an Apache-2.0 license.github.com · read 7 Oct 2026
- Purpose
- OpenFunction is a cloud-native open-source FaaS platform for running serverless workloads from function source code.openfunction.dev · read 7 Oct 2026
- Requirements
- The installation guide lists Kubernetes version >=v1.21.0-0 and Helm version >=v3.6.3 as requirements.openfunction.dev · read 7 Oct 2026
