How To Use Security Headers
Learn how to improve your website security with HTTP security headers. Discover how to get an A score for your website with the help of this beginner-friendly guide.
Feb 02, 2021 • 5 min read
Specialties
Golang and Node.js developmentAWS and cloud infrastructureDevOps and automationWeb securityAPI development
About Sachin Ghait
I'm a Lead Developer based in Pune, India. I have worked in software since August 2016, mostly on cloud and backend systems in Golang, AWS and Node.js, and I write this blog to document what I build and fix.
Experience
- Software Developer, The Non-Functional Co. (Aug 2024 to present, remote). Works on Stance.
- Lead Developer, Ollion (Oct 2023 to Nov 2024, remote). Ollion is a global cloud consultancy formed by the integration of 2nd Watch, CloudCover and Cloud Comrade.
- CloudCover (Dec 2019 to Sep 2023): Developer, then Senior Developer, then Lead Developer.
- Software Developer, Aditech LLP (Dec 2018 to Dec 2019). Front-end work in the financial domain.
- Associate Consultant, Wipro (Aug 2016 to Dec 2018). Worked in the telecom domain.
Education and certifications
- Electronics and Telecommunication, College of Engineering Pune.
- Microsoft Certified: Azure Developer Associate (issued Jan 2021, expired Jan 2023).
- Microsoft Certified: DevOps Engineer Expert (issued Sep 2021, expired Sep 2022).
Topics I write about
Cloud (AWS Lambda, VPC, CloudFront, GCP cost control), web security (CORS, security headers, crawler control), Git workflows, Raspberry Pi and home-network projects, browser automation with Selenium, and AI-assisted development with Claude Code and MCP servers.
Let's Connect
Find me on LinkedIn and GitHub, or use the contact page.
Posts by Sachin Ghait
Automate Rest API tasks using python requests module.
Automate REST API tasks with Python's requests module: call endpoints, parse JSON responses and script things like price checks or setting a desktop wallpaper.
Jul 12, 2021 • 5 min read
Ad Blocker for Your Whole Network.
Install Pi-hole on a Raspberry Pi to block ads for every device on your network, and set it as your router's DNS server.
Sep 11, 2021 • 5 min read
Block Google search bots from indexing your website.
How to keep your site out of Google results: use Search Console for a temporary removal, or robots.txt to block all bots, specific bots or specific pages.
Aug 01, 2021 • 3 min read
Use It First. Launch It Later.
Three personal tools I built: a stock exit validator, a media compression pipeline and a doom-scroll blocker. Rule: use it first, expand only if it works.
Mar 19, 2026 • 7 min read
Building a Model Context Protocol (MCP) Server
Build an MCP server in TypeScript with PostgreSQL for employee info and leave management, and connect it to Claude Desktop.
Jun 07, 2025 • 5 min read
How the Claude Code Browser Plugin Helped Me Debug Faster
How the Claude Code browser plugin passes browser context to the CLI so you can debug cloud problems like slow database queries in one AI workflow.
Mar 02, 2026 • 6 min read
Cloudfront for Hosting SPA (single page application)
Host a single-page app on Amazon CloudFront and fix the routing errors: configure custom error responses so client-side routes don't return 403 or 404.
May 03, 2022 • 5 min read
Say goodbye to unused node modules in your computer.
Say goodbye to hours of manually deleting unused node modules with NPKill. This npm library automates the process and helps you save time in just a few minutes.
May 05, 2021 • 3 min read
Five AI Tools, One Workflow - My Multi-Brain Development Stack
I mapped five AI tools to five cognitive phases of development — research, ideation, design, implementation, and discipline.
Mar 19, 2026 • 8 min read
Schedule Google Compute Engine Instances to Save Big Money.
Cut Google Compute Engine costs by suspending and resuming VMs on a schedule with Cloud Scheduler, Pub/Sub and Cloud Functions.
Oct 04, 2021 • 6 min read
Product price monitor for any website.
Product price monitor for any website. Learn how to build a custom solution to monitor product prices on any website and receive Slack alerts
Sep 17, 2021 • 9 min read
Git bisect is here to save your day
Use git bisect to find the exact commit that introduced a bug: a step-by-step example with the commands, common gotchas and how to automate it.
Mar 10, 2021 • 6 min read
Standardizing Git Workflow - Commit Templates, PR Templates, and More
Set up Git commit, pull request, issue and release templates to save time and keep team contributions consistent, with working examples.
May 28, 2023 • 7 min read
Efficient Unit Testing Approach for Go in VS Code
Generate Go unit tests and run them with coverage in VS Code using the Go extension's Test UI, with no boilerplate typing.
May 29, 2023 • 6 min read
Build a blog using Nuxt and Tailwind CSS
Build a blog with Nuxt and Tailwind CSS: create the app, add Tailblocks, write content, render posts, generate a static build and deploy to Netlify.
Feb 01, 2021 • 10 min read
Ignoring Files - A Guide to .gitignore, .dockerignore, and More
What .gitignore, .dockerignore and .npmignore do, when to use each, and how they keep repos clean, Docker images small and packages lean.
May 28, 2023 • 6 min read
Lambda Function In A VPC The Right Way.
Why an AWS Lambda function loses internet access inside a VPC, and how to fix it by routing traffic through a NAT gateway in a public subnet.
Aug 14, 2021 • 5 min read
Mining My AI History to Build a Smarter Workflow
I mined my Claude Code memory logs to discover recurring patterns, then turned them into custom rules and skills that make my AI tools smarter about me.
Mar 19, 2026 • 9 min read
My hacktoberfest experience.
Discover my journey participating in hacktoberfest 2020, including my learnings and overall experience.
Jul 13, 2021 • 5 min read
Use Notion as CMS for your website
Use Notion as a CMS: build a static site from JSON, set up Netlify CI/CD, connect a Notion board and fetch its data at build time.
Jul 03, 2022 • 10 min read
Understanding Port Sharing and SO_REUSEADDR in Docker
How SO_REUSEADDR and SO_REUSEPORT affect running several instances on one port in Docker, and how to resolve port conflicts.
Jul 09, 2023 • 5 min read
Selenium Webdriver on Raspberry Pi Zero W.
Run Selenium WebDriver on a Raspberry Pi Zero W with the chromium-chromedriver package to automate browser tasks on a tiny device.
Sep 11, 2021 • 7 min read
Selenium - Easy Web Automation with Python.
Automate browser-based tasks with Python's Selenium module. Learn how to control a browser with code and perform tasks with ease.
Apr 13, 2021 • 7 min read
Breaking Bad Habits with Shamir's Secret Sharing
How I used Shamir's Secret Sharing to split a password into shares so I can't impulsively give in to doom scrolling, yet can still recover it.
Aug 16, 2025 • 7 min read
Steganography - The Art of Hiding Data in Plain Sight
What steganography is, its types (text, image, audio, video, network), a Python image example with cryptosteganography and free tools to try.
Jun 19, 2021 • 8 min read
The complete guide for Slack productivity.
7 Slack tips for developers: shortcuts, channel groups, slash commands, muting, search, saved items, and apps and integrations.
May 09, 2021 • 7 min read
How to use ngrok to access your raspberry pi from anywhere.
The post describes how you can access raspberry-pi from anywhere in two modes (web portal and ssh).
Sep 11, 2021 • 8 min read
Meet VSCodium. A Visual Studio Code Alternative.
Discover VSCodium, a community-driven alternative to Visual Studio Code. Learn why I switched from VSCode and how to install VSCodium on Windows
Feb 16, 2021 • 6 min read
Convert Video to GIF with FFmpeg
Convert video to GIF in the browser with FFmpeg WebAssembly: import ffmpeg.wasm into a Vue app, load the script and run the conversion command.
Feb 06, 2021 • 5 min read
What is CORS and how to deal with issues related to it?
CORS lets a server allow cross-origin browser requests through HTTP headers. Learn how it works, the key headers, preflight, and how to fix common errors.
Feb 02, 2021 • 5 min read