Knative 1.12: Serverless Platform Evolution

Introduction

Knative 1.12, released on August 12, 2024, advances serverless computing on Kubernetes with enhanced serving capabilities, improved eventing, better performance, and expanded integration options. This release makes Knative more powerful for building serverless applications.

Serving Enhancements

• Autoscaling improvements provide better automatic scaling of serverless functions.
• Traffic splitting enhancements enable more sophisticated canary and blue-green deployments.
• Revision management improvements enable better management of function revisions.
• Performance optimizations reduce cold start times and improve throughput.

Eventing Improvements

1. Event sources expansion supports more event sources.
2. Event routing improvements enable more flexible event routing.
3. Broker enhancements provide better event broker capabilities.
4. Trigger improvements enable more sophisticated event triggering.

Performance Optimizations

• Cold start reductions minimize function startup time.
• Throughput improvements enable better handling of high-traffic workloads.
• Resource usage optimizations reduce CPU and memory consumption.
• Scaling improvements enable better handling of traffic spikes.

Integration Options

• Kubernetes integration improvements provide seamless integration with Kubernetes.
• Service mesh integration enables integration with service meshes.
• CI/CD integration enables integration with CI/CD pipelines.
• API improvements enable better programmatic access to Knative capabilities.

Getting Started

# Install Knative Serving
kubectl apply -f https://github.com/knative/serving/releases/download/knative-v1.12.0/serving-core.yaml

# Install Knative Eventing
kubectl apply -f https://github.com/knative/eventing/releases/download/knative-v1.12.0/eventing-core.yaml

Create a Service:

apiVersion: serving.knative.dev/v1
kind: Service
metadata:
  name: hello
spec:
  template:
    spec:
      containers:
      - image: gcr.io/knative-samples/helloworld-go
        env:
        - name: TARGET
          value: "World"

Summary

Knative 1.12 continues to evolve as a leading serverless platform, providing teams with powerful capabilities for building serverless applications on Kubernetes.