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Fission

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CLI platforms
The installation guide provides CLI installation instructions for macOS, Linux, and Windows. · fission.io, 4 Oct 2026
Cold starts
Fission keeps warm containers available, with typical cold starts around 100 milliseconds. · fission.io, 5 Oct 2026
Deployment
Fission deploys functions with one command without requiring users to build containers or manage Docker registries. · fission.io, 4 Oct 2026
Deployment options
Fission runs on Kubernetes clusters on a laptop, in a public cloud, or in a private data center. · fission.io, 5 Oct 2026
Developer workflow
Fission supports declarative specifications that can be checked into source control and used to recreate an application. · fission.io, 5 Oct 2026
Event sources
The docs list message queue trigger integrations for Apache Kafka, AWS SQS, AWS Kinesis, GCP Pub/Sub, NATS, RabbitMQ, and Redis Lists. · fission.io, 5 Oct 2026
Function deployment
Fission maps short-lived functions to HTTP requests or other event triggers and deploys them with one command, without requiring users to build containers or manage Docker registries. · fission.io, 5 Oct 2026
Integrations
The homepage says Fission integrates with Fluentd for CLI logs, Prometheus for metrics, and Istio for service mesh monitoring and tracing. · fission.io, 5 Oct 2026
Intended use
The homepage describes building serverless API backends, implementing webhooks, and writing Kubernetes event handlers as Fission use cases. · fission.io, 5 Oct 2026
Kubernetes requirement
Fission v1.27.0 requires Kubernetes 1.32 or higher. · fission.io, 4 Oct 2026
Languages
The documentation lists Node.js, Python, Go, Ruby, PHP, Bash, and custom container images as supported runtimes. · fission.io, 5 Oct 2026
License
Fission is open source under the Apache License. · fission.io, 5 Oct 2026
Observability integrations
Fission integrates with Fluentd for logs, Prometheus for metrics, and Istio for service mesh monitoring and request-latency tracing. · fission.io, 4 Oct 2026
Portability
Fission runs on Kubernetes clusters on laptops, public clouds, or private data centers. · fission.io, 4 Oct 2026
Product
Fission is an open source framework for running serverless functions on Kubernetes. · fission.io, 5 Oct 2026
Queue integrations
KEDA-backed queue connectors include Kafka, NATS JetStream, RabbitMQ, Redis, AWS SQS, AWS Kinesis, and GCP Pub/Sub. · fission.io, 4 Oct 2026
Security
Function invocation authentication is optional and can be enabled on the Fission Router using tokens passed in an Authorization header. · fission.io, 5 Oct 2026
Support
The project directs users to its Slack community and provides troubleshooting guides and a CLI command for collecting support diagnostics. · fission.io, 5 Oct 2026
Support and community
The site invites users to join its Slack community to interact with the team, other users, and contributors. · fission.io, 4 Oct 2026
Tenant isolation
The multi-namespace tenancy guide says each onboarded namespace receives its own narrow RBAC permissions and derived signing key. · fission.io, 5 Oct 2026
Triggers
Documented trigger types include HTTP, timers, message queues through KEDA, and Kubernetes watches. · fission.io, 5 Oct 2026
What it does
Fission is an open-source framework for running serverless functions on Kubernetes and mapping them to HTTP requests or other event triggers. · fission.io, 4 Oct 2026
Who it is for
Fission describes use cases including serverless API backends, webhooks, and handlers for Kubernetes resource changes. · fission.io, 4 Oct 2026

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