In-depth guides on Docker, Kubernetes, AWS, CI/CD, AI/ML, and modern infrastructure — written by engineers, for engineers.
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Building a RAG system that actually works in production requires the right chunking strategy, embedding model, and retrieval tuning. Here's what works, what doesn't, and real configuration examples.
Admission webhooks intercept every Kubernetes API request before it's persisted. Learn how mutating and validating webhooks work, with real examples from OPA, Istio, and custom webhooks.
Your EKS pods are Pending, nodes should be scaling up but aren't. Here's every reason EKS managed node groups fail to scale and exactly how to fix each one.
Build an intelligent Kubernetes admission controller that uses OPA for policy enforcement and Claude AI to explain violations, suggest fixes, and auto-generate Rego policies from plain English.
Choosing a log collector for Kubernetes? Fluent Bit, Fluentd, and Vector each handle log collection differently. Here's the practical comparison with resource usage and config examples.
System design interviews for DevOps roles are different from software engineering ones. Here's exactly what they ask, a framework to answer, and sample answers for common questions.
Implement LLM streaming with FastAPI and Anthropic SDK using Server-Sent Events and WebSockets. Real code with token buffering, error handling, and Kubernetes deployment.
Multi-tenancy in Kubernetes lets multiple teams share one cluster safely. Learn namespace-based tenancy, vCluster, RBAC, network policies, and when to go single vs multi-tenant.
Infrastructure drift — when actual cloud state diverges from Terraform state — causes silent failures. Build a bot that detects drift daily and explains what changed using Claude AI.