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journal · DevOpsVibe

Engineering Notes

Field reports, postmortems, and deep dives from the team — covering CI/CD, Kubernetes, cloud infrastructure, observability and the messy realities of running production systems.

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Reliable AI Agents with Temporal and LangGraph

Reliable AI Agents with Temporal and LangGraph

Durable, retryable, observable AI agents built by combining Temporal workflows with LangGraph reasoning. Handles LLM failures, long-running tool calls, and saga-style compensation.

9 min readRead →
MCP Server Implementation Guide: Model Context Protocol for Production

MCP Server Implementation Guide: Model Context Protocol for Production

Build a production-grade Model Context Protocol server in TypeScript with authentication, rate limiting, observability, and Kubernetes deployment.

9 min readRead →
Building an LLM Gateway: Architecture Patterns with Portkey and Langfuse

Building an LLM Gateway: Architecture Patterns with Portkey and Langfuse

Why every serious AI application needs an LLM gateway, and how to build one with routing, fallback, semantic caching, cost attribution, and full observability using Portkey and Langfuse.

11 min readRead →
Getting Started with DevOps: A Practical Guide

Getting Started with DevOps: A Practical Guide

An engineer-first roadmap to adopting DevOps in 2026: CI/CD, infrastructure as code, observability, and the cultural shifts that make it stick.

10 min readRead →
AI Coding Assistant Governance: Policy Template for Enterprise Teams

AI Coding Assistant Governance: Policy Template for Enterprise Teams

How to roll out GitHub Copilot, Cursor, and Claude Code in an enterprise without leaking secrets, exposing IP, or contaminating the codebase — a template policy, pre-commit hooks, and CI gates.

8 min readRead →
Kubernetes Cost Optimization: Reduce Your Cloud Bill by 40%

Kubernetes Cost Optimization: Reduce Your Cloud Bill by 40%

A systematic approach to cutting Kubernetes spend: right-sizing with VPA, Karpenter consolidation, spot workloads, namespace quotas, and showback with OpenCost.

8 min readRead →
OWASP LLM Top 10 Explained with Mitigation Patterns

OWASP LLM Top 10 Explained with Mitigation Patterns

A developer-focused walkthrough of the OWASP Top 10 for LLM Applications with concrete attack examples, mitigation code, and testing strategies.

10 min readRead →
Zero-Downtime Deployments: Blue-Green vs Canary Strategies

Zero-Downtime Deployments: Blue-Green vs Canary Strategies

A hands-on comparison of blue-green and canary rollouts on Kubernetes with Argo Rollouts, automated analysis, and the database migration patterns that make either strategy actually safe.

8 min readRead →
Terraform Best Practices: Structuring Your IaC for Scale

Terraform Best Practices: Structuring Your IaC for Scale

Learn how to structure Terraform projects for maintainability, team collaboration, and production-grade infrastructure at scale.

6 min readRead →
EU AI Act Technical Readiness: What Developers Need to Know Before August 2026

EU AI Act Technical Readiness: What Developers Need to Know Before August 2026

A practical engineering guide to the EU AI Act: risk tier classification, high-risk system requirements, and concrete implementations for logging, transparency, and deployment gating.

9 min readRead →
Building a Production Observability Stack with Prometheus and Grafana

Building a Production Observability Stack with Prometheus and Grafana

A hands-on guide to deploying a full observability stack with Prometheus, Grafana, Alertmanager, and Loki for production Kubernetes environments.

6 min readRead →
Implementing ISO 42001: A Practical Runbook for Engineers

Implementing ISO 42001: A Practical Runbook for Engineers

What ISO/IEC 42001 actually requires from engineering teams, how it overlaps with ISO 27001, and a hands-on implementation plan with policy-as-code, audit logging, and a gap-analysis checklist.

10 min readRead →
Docker Security Hardening: 10 Essential Practices

Docker Security Hardening: 10 Essential Practices

A comprehensive guide to securing Docker containers in production, covering image scanning, runtime protection, secrets management, and more.

6 min readRead →
GitOps with ArgoCD: A Complete Implementation Guide

GitOps with ArgoCD: A Complete Implementation Guide

Step-by-step guide to implementing GitOps with ArgoCD, from installation to advanced deployment strategies like canary releases and multi-cluster management.

7 min readRead →
AWS Cost Management: FinOps Strategies That Actually Work

AWS Cost Management: FinOps Strategies That Actually Work

Practical strategies for reducing AWS costs by 30-50% through rightsizing, reserved capacity, tagging, and organizational FinOps practices.

7 min readRead →
Platform Engineering: Building Your Internal Developer Platform

Platform Engineering: Building Your Internal Developer Platform

Learn how to design and build an Internal Developer Platform (IDP) that accelerates developer productivity, standardizes infrastructure, and reduces cognitive load across your engineering organization.

7 min readRead →
Incident Management Done Right: SRE Practices for On-Call Teams

Incident Management Done Right: SRE Practices for On-Call Teams

A comprehensive guide to building effective incident management processes, from alert design and on-call rotations to blameless postmortems and SLO-driven prioritization.

8 min readRead →
Secrets Management with HashiCorp Vault in Kubernetes

Secrets Management with HashiCorp Vault in Kubernetes

A hands-on guide to deploying HashiCorp Vault on Kubernetes, configuring dynamic secrets, integrating with applications via the Vault Agent Injector, and implementing best practices for production-grade secrets management.

7 min readRead →
Advanced GitHub Actions: Reusable Workflows, Matrix Builds, and Self-Hosted Runners

Advanced GitHub Actions: Reusable Workflows, Matrix Builds, and Self-Hosted Runners

Go beyond basic CI/CD with advanced GitHub Actions patterns including reusable workflows, dynamic matrix strategies, self-hosted runners on Kubernetes, and cost optimization techniques for enterprise pipelines.

8 min readRead →
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