Complete senior principal engineering guide to Consumer-Driven Contract Testing (CDCT), Pact framework architecture, Spring Boot provider verification, the can-i-deploy pipeline gate, and asynchronous messaging contracts.
Comprehensive guide to zero-downtime deployment strategies — Rolling, Blue-Green, Canary, Shadow, Feature Flags, and A/B Testing — with Kubernetes configs, database migration patterns, observability, and rollback runbooks.
Introduction to Push vs Pull deployments, GitOps principles, and an architecture overview of ArgoCD and Flux.
Deep dive into modern web delivery and platform reliability — Edge Anycast routing, surrogate-key cache invalidation, automated Canary gates, SSG to SSR/ISR migration, atomic versioned S3/CloudFront deployments, CI/CD build pipelines, zero-downtime data migrations, SLO error budget burn rates, and OpenTelemetry observability fundamentals.
