How to Transition from DevOps Engineer to Platform Engineer
Platform engineering is the next evolution of DevOps. Here's what changes, what new skills you need, and a realistic roadmap to make the transition in 12 months.
In-depth guides on Docker, Kubernetes, AWS, CI/CD, AI/ML, and modern infrastructure — written by engineers, for engineers.
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Platform engineering is the next evolution of DevOps. Here's what changes, what new skills you need, and a realistic roadmap to make the transition in 12 months.
Both Helmfile and Kustomize manage environment-specific Kubernetes configurations, but they take completely different approaches. Here's the practical comparison with real config examples.
Qdrant is the fastest open-source vector database for RAG pipelines. Here's how to deploy it on Kubernetes with persistent storage, set up collections, and connect it to LangChain or LlamaIndex.
IAM is how AWS decides who can do what. Here's a plain-English explanation of users, groups, roles, and policies — with real examples of how they're used together.
ArgoCD Image Updater detects a new image tag but doesn't update the Application. Here's how to diagnose and fix annotation errors, registry auth issues, write-back problems, and sync failures.
AWS Cost Anomaly Detection catches spikes but gives no context. Build a system that detects anomalies, uses Claude to explain what caused them, and posts actionable Slack alerts with a fix recommendation.
Three tools for managing Kubernetes clusters, but they're solving very different problems. Rancher manages multiple clusters, OpenShift is an enterprise K8s platform, Lens is a desktop UI. Full comparison.
After hundreds of DevOps interviews, here's what hiring managers actually care about — and why most candidates fail even when they know the tools.
Rolling update keeps your app running during deploys. Recreate kills everything then starts fresh. Here's when to use each, plus Blue-Green and Canary explained simply.