What I learned about using npm ci --ignore-scripts in production, including which libraries need special handling and which ones work fine without postinstall scripts.

[npm] Using --ignore-scripts for Faster and Safer Installs

Complete zsh setup guide: Install Spaceship Prompt, zsh-autosuggestions, zsh-syntax-highlighting, fzf, and zoxide on Mac. Includes git aliases and shell configuration for terminal productivity.

5 Essential Shell Tools for Terminal Productivity

Complete kubectl, AWS CLI, and Terraform setup guide for Mac. Install and configure Kubernetes tools (k9s, kubectx, Istio, Flux) using Aqua for version management. Includes shell aliases and productivity tips for DevOps engineers.

My Infrastructure Tools Setup Checklist: AWS, kubectl, Terraform & More

How I fixed painfully slow Docker builds by implementing Next.js build caching that works with GitHub Actions.

[Docker] Speeding Up Next.js Docker Builds with GitHub Actions Cache

How I automated weekly PR creation from Google Sheets data using Python, GitHub Actions, and Slack notifications

Automating Spreadsheet to GitHub PRs: A Production Workflow

Real-world TGW deployment patterns, multi-account architectures, and the gotchas that will bite you in production.

AWS Transit Gateway: Advanced Patterns and Battle-Tested Lessons

Lessons learnt by managing Next.js apps on EKS, covering health checks, scaling, caching, and logging.

Optimizing Next.js on EKS: Tips I’ve learned as an SRE

Understanding the difference between aws s3 cp and sync, and when to use each.

aws s3 cp vs sync: What’s the Difference?

How to rotate Kubernetes secrets safely in production using versioned naming, progressive rollout, and instant rollback strategies. No downtime, no incidents.

Kubernetes Secrets Rotation: Versioned Pattern with Instant Rollback

How I solved the InvalidChangeSetStatus error in AWS CloudFormation GitHub Actions deploys by waiting for the change set to be ready before executing.

[Cloudformation] Deploying Cloudformation Change Sets without InvalidChangeSetStatus Error

Scaling a Node.js app across multiple CPU cores using the cluster module and Kubernetes.

Enabling Multi-CPU Usage in Node.js

A reflection on what I learned about liveness and readiness probes in Kubernetes, especially for frontend-only apps.

Liveness vs Readiness Probes in Kubernetes: When It Matters (and When It Doesn’t)

How DNS resolution works inside Kubernetes, how CoreDNS handles it, and why setting ndots:1 made a big difference during high load.

Understanding DNS Resolution in Kubernetes and CoreDNS Behavior

How to securely assume AWS IAM roles in GitHub Actions using OpenID Connect (OIDC).

Using AWS OIDC Roles in GitHub Actions for CI/CD

A quick reference on how to read and write files from S3 inside a Lambda function using the AWS SDK v3.

Reading & Writing to S3 in AWS Lambda (Node.js)

Setups to deploy a Next.js app with Static Site Generation (SSG) to AWS S3 using GitHub Actions.

[S3] Deploying a Next.js SSG App to S3 with GitHub Actions

How I built a Slack bot that reads Google Calendar events and sends automated weekly reminders with user mentions using Google Apps Script

Automating Weekly Calendar Reminders with Google Apps Script and Slack

Learn how we built an event-driven infrastructure to purge Akamai cache efficiently when publishing content from headless CMS, using API Gateway and AWS Lambda.