The Manifest.
More posts from The Manifest, paginated so the main blog stays lighter and faster to load.
How to Set Up a .env File and Stop Leaking Secrets
What .env files are, how to load them in Node.js, Python, and Docker, the common mistakes that expose API keys, and how to manage secrets safely in production.
How to Set Up SSH Keys for GitHub (All Platforms)
Generate an SSH key, add it to GitHub, and never type a password again. Step-by-step for Ubuntu, macOS, and Windows — including multiple accounts and troubleshooting.
How to Write a Production Dockerfile for Node.js
Build small, fast, production-ready Docker images for Node.js — layer caching, multi-stage builds, non-root user, health checks, and .dockerignore explained.
Private Search Engines that Do Not Track
A practical 2026 guide to privacy-focused search engines that reduce tracking, plus what each option is actually good at.
LangGraph vs CrewAI vs Claude Agent Teams: Which Should You Use?
A practical comparison of the three dominant multi-agent frameworks in 2026 — LangGraph, CrewAI, and Claude Agent Teams — with a decision table to pick the right one.
Multi-Agent Systems Explained: When One AI Isn't Enough
A practical guide to multi-agent systems — what they are, when to use them, how orchestrator/subagent patterns work, and what Claude Agent Teams look like in practice.
AI Mistakes When Building Apps (And How to Fix Them)
The mistakes developers make when integrating AI into their apps — not the obvious ones, but the ones that only show up after you've shipped and users are hitting them.
Designing AI-Native Features: What to Build vs What to Prompt
A practical decision framework for knowing which app features should use AI, which should stay in code, and how to avoid the most common trap in AI product design.
Docker Desktop Was Killing My Laptop. Here Is What Fixed It.
Docker Desktop using 6GB RAM and spinning the fan constantly. A few targeted config changes — memory caps, layer caching, dev vs prod images — fixed it completely.
Prompt Engineering Is Dead. Long Live System Prompts.
The 2023 obsession with magic prompt tricks is over. What actually works in 2026: clear system prompts, examples over descriptions, explicit constraints, and evals.
Prompts That Go Wrong: What I Learned Shipping AI Features
Real examples of prompts that looked fine in testing and broke in production — and what I changed to fix them. A field guide for developers writing prompts for real users.
What Is RAG and When Does It Actually Help?
Retrieval-Augmented Generation explained simply — what it is, how embeddings and vector search work, when RAG helps vs when you do not need it, with a working Python example.
What Is a Context Window and Why Should Developers Care?
The context window is one of the most important things to understand about working with AI — and one of the least explained. Here's what it actually is and why it changes how you build.
What Is an LLM? A Plain English Guide for Developers
No jargon, no hype. What a large language model actually is, how it works under the hood, why it sometimes gets things wrong, and what that means for how you use it.
How to Add Claude to Your App Using the Anthropic API
A practical guide to integrating Claude into your app with the Anthropic SDK — from first call to streaming, context management, and common usage patterns.
I Used Claude to Review My Code for a Week. Here Is What It Caught.
A week-long experiment using Claude as a daily code reviewer on a real Node.js project — bugs found, security issues caught, where it was wrong, and what changed.
Claude Code vs Cursor: Which One Actually Helps You Ship?
A real comparison of Claude Code and Cursor from a developer who uses both — what each one is actually good at, where they frustrate you, and how to decide.
How Junior Engineers Should Actually Use Claude Code
Not a shortcut — a safety net. How to use Claude Code to learn faster, catch mistakes early, and ship better code without becoming dependent on AI for thinking.
Claude vs ChatGPT for Developers: An Honest Look
Not a benchmark chart. A real developer's honest take on when Claude works better than ChatGPT, when it doesn't, and what actually matters when choosing between them.
I Deleted My Code with git reset --hard. git reflog Saved It.
True story: running git reset --hard on the wrong branch wiped a week of work. Here is how git reflog recovered it all — and the guardrails I set up after.
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