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Blog

DevOps tutorials, Kubernetes guides, Terraform tips, cost optimization strategies, and cloud career advice from a 383K+ student instructor.

MLOps
4 min

ML Security on Kubernetes: 4 Layers Protecting Your Models

Your model endpoint has no auth. Anyone with the URL gets predictions. That is the default on most KServe deployments. Here are the 4 layers that fix it.

MLOps Security
MLOps
3 min

GPU Scheduling on Kubernetes: MIG, Time-Slicing, and Node Pools

One A100 GPU costs $3/hour. Your model uses 12% of it. Here is how GPU sharing on Kubernetes cuts ML infrastructure bills by 60% or more.

MLOps GPU
MLOps
4 min

Batch vs Real-Time ML Inference: 90% of Predictions Can Be Batch

Your model runs in real-time. 90% of your predictions do not need to. Here is the decision framework and the cost math showing 99.5% savings.

MLOps Inference
MLOps
2 min

5 Levels of ML Model Deployment on Kubernetes

From baked Docker images to explainable AI. Each level adds production capabilities. Here is the progression every DevOps engineer should know.

MLOps KServe
MLOps
3 min

5 Questions to Ask Before Every ML Model Deployment

A data scientist hands you a model.pkl. Before deploying, ask these 5 production-ready questions every DevOps engineer should know.

MLOps DevOps
MLOps
2 min

A/B Testing for ML Models: When Offline Metrics Lie

You retrained the model. Accuracy went up 2% on the test set. Revenue dropped 5%. Here is why you need A/B testing for ML models.

MLOps A/B Testing
MLOps
2 min

Canary Deployments for ML Models with KServe and Istio

You do canary deployments for APIs. Why not for ML models? Here is how KServe and Istio split traffic between champion and candidate models.

MLOps KServe
MLOps
2 min

CI/CD for ML: Same GitHub Actions, Different Artifact

Your CI/CD pipeline deploys code. Ours deploys models. Same tools: GitHub Actions, ArgoCD, Docker, DVC, MLflow. Here is the 7-job ML pipeline.

MLOps CI/CD
MLOps
2 min

Data Drift Detection: When Your Model Stops Being Right

Your model was trained on last year's data. The world moved on. Here are the 3 types of drift and how to detect them with Evidently AI.

MLOps Data Drift
MLOps
4 min

DevOps Thinking Applied to MLOps: 5 Essential Tools

You already know 80% of MLOps. Here are 5 open-source tools that map directly to your existing DevOps skills.

MLOps DevOps
MLOps
2 min

DVC: Git for Your ML Training Data

You version code with Git. DVC does the same for ML training data. Here is your weekend starter guide to data version control.

MLOps DVC
MLOps
2 min

Feature Stores: The Package Registry for ML Features

Your training pipeline computes 'average amount' as 30-day mean. Your API computes it as 7-day mean. Same name, different values. Feature stores fix this.

MLOps Feature Store
MLOps
2 min

ML Cost Optimization: One YAML Field Cut Our Bill by 80%

We changed minReplicas from 1 to 0. Infrastructure cost dropped 80%. Here is how KPA, scale-to-zero, and panic mode work for ML inference.

MLOps Cost Optimization
MLOps
2 min

ML Governance: The Champion-Challenger Pattern for Model Deployment

Your ML serving code should never know version numbers. The champion-challenger pattern with MLflow aliases gives instant rollback.

MLOps MLflow
MLOps
2 min

ML Model Monitoring: Your Grafana Dashboard Is Lying to You

Your model uses 10% CPU, zero errors, healthy pod status. And still returns garbage predictions. Here are the 3 alerts you need today.

MLOps Monitoring
MLOps
2 min

ML Pipeline Orchestration with Kubeflow on Kubernetes

Your ML team has 47 Jupyter notebooks. 12 should run in order. Nobody remembers which 12. Kubeflow Pipelines fixes this on your existing K8s cluster.

MLOps Kubeflow
MLOps
2 min

ML Retraining Pipelines: From Drift Alert to Production Model

Your drift detector triggered. Now what? Here is the retraining pipeline every MLOps team needs, with quality gates to prevent deploying garbage.

MLOps Retraining
MLOps
3 min

MLflow in 60 Seconds: The Complete ML Model Lifecycle

From training to production in 5 steps. How MLflow tracks experiments, versions models, and enables instant rollbacks with zero code changes.

MLOps MLflow
MLOps
2 min

Scale-to-Zero for ML Models: Stop Paying for Idle Compute

Your ML model runs 24/7. Inference requests come 2% of the time. KServe plus Knative scales to zero when idle. Here is how.

MLOps KServe
MLOps
2 min

SHAP Explainability: Why Your ML Model Flagged That Transaction

GDPR requires explanations for automated decisions. SHAP values tell you exactly why your model made each prediction. Here is how KServe serves explanations.

MLOps SHAP
MLOps
2 min

The Two-Container Pattern: Transformer + Predictor for ML Serving

Your ML model expects clean features. Your API receives raw data. The two-container pattern with KServe solves this with clear separation of concerns.

MLOps KServe
MLOps
4 min

Quality Gates for ML: 4 Layers Between Training and Production

40% of candidate models got rejected at the quality gate. That is not a failure rate. That is a protection rate. Four layers that stop bad models.

MLOps Quality Gates
Kubernetes
4 min

5 Things I Wish I Knew Before Running EKS in Production

Hard-won lessons from running Amazon EKS in production — from Karpenter node consolidation to OpenTelemetry observability and real AWS database integrations.

EKS AWS
Kubernetes
4 min

Building a Complete Observability Stack for EKS with OpenTelemetry and ADOT

How to set up production-grade observability on Amazon EKS using AWS Distro for OpenTelemetry (ADOT) with three separate collectors for traces, logs, and metrics.

OpenTelemetry EKS
Kubernetes
4 min

How to Handle Spot Instance Interruptions on EKS with Zero Downtime

A practical guide to running Spot instances on Amazon EKS without service disruption, using Karpenter, PodDisruptionBudgets, and EventBridge.

Spot Instances EKS
Terraform
3 min

5 Terraform Mistakes That Cost You Money on AWS

Common Terraform misconfigurations that silently inflate your AWS bill, and how to fix them with real-world examples.

Terraform AWS
MLOps
0 min

MLOps for DevOps Engineers

A 25-part series bridging DevOps skills to MLOps. Same mindset, different artifacts.

MLOps DevOps