Image Swapper 0.8: Advanced Features and Production Readiness

Introduction

Image Swapper 0.8, released on September 20, 2022, advances container image management capabilities with advanced mirroring features, improved performance, and production-ready capabilities for enterprise deployments.

Security features matter most when you’re trying to enforce guardrails without blocking delivery. This release is useful if you’re tightening policy, improving visibility, or hardening defaults across Kubernetes workloads.

Advanced Mirroring Features

• Incremental mirroring enables efficient updates by only mirroring changed layers.
• Layer caching improvements reduce bandwidth and storage requirements.
• Parallel mirroring enables simultaneous mirroring of multiple images.
• Mirror status tracking provides visibility into mirroring operations.

Performance Improvements

1. Webhook performance optimizations reduce latency for admission decisions.
2. Image resolution improvements provide faster image reference resolution.
3. Caching enhancements enable better caching of policy decisions and scan results.
4. Resource usage optimizations reduce CPU and memory footprint.

Production Readiness

• High availability support enables running multiple webhook instances.
• Error handling improvements provide better recovery from failures.
• Monitoring enhancements enable comprehensive observability.
• Documentation expansion provides production deployment guides.

Getting Started

kubectl apply -f https://github.com/estahn/k8s-image-swapper/releases/download/v0.8.0/release.yaml

Configure with advanced features:

apiVersion: v1
kind: ConfigMap
metadata:
  name: image-swapper-config
  namespace: image-swapper-system
data:
  config.yaml: |
    sourceRegistries:
    - docker.io
    - quay.io
    targetRegistry: registry.example.com
    mirroring:
      enabled: true
      incremental: true
      parallel: 5
    security:
      scanning:
        enabled: true
        provider: trivy
        failOnCritical: true
    policies:
      allowList:
      - "registry.example.com/*"
      namespaceSelector:
        matchLabels:
          enable-mirroring: "true"

Summary

Image Swapper 0.8 provides teams with production-ready container image management capabilities with advanced mirroring features and improved performance for enterprise deployments.