All posts.
Every EasySpawn article, newest first — deploying AI-built apps, Claude Code, databases, security, and the infrastructure underneath.
422 posts · page 11 of 18
What Is a Framework? React, Next.js, and Friends Explained
React, Next.js, Vue, Svelte, Django, Laravel — the names come up constantly and blur together. What a framework is, how it differs from a library, how the popular ones relate to each other, and why AI tools keep choosing the same few.
What Is a Domain Name? (And How to Buy One Without Getting Caught Out)
A domain name is your app's address on the internet — and the one part of it you should truly own. What domains are, how to pick one, where to buy it, and the renewal-price and ownership traps that catch first-time buyers.
What Is a Dev Container? devcontainer.json Explained
A dev container defines your development environment as code — the tools, versions, services, and settings a project needs — so it runs the same on every machine and in the cloud. What goes in devcontainer.json, how it differs from a Dockerfile, and where it falls short.
What Is a Database? A Beginner's Guide for People Building Apps
Almost every app needs somewhere to remember things — users, orders, messages. That's a database. What databases are, how tables and rows work, the difference between SQL and NoSQL, and the three things every beginner should know before real users arrive.
What Is a Context Window? Why AI Tools 'Forget' Things
An AI model can only consider so much text at once — its context window. What's in it, why long sessions get worse, what 'compacting' does, and practical habits for working with Claude Code and other tools so the right information is always in view.
What Is a CDN? Why Your Site Loads Fast (or Doesn't) Far From Home
A CDN keeps copies of your site's files on servers around the world, so a visitor in Sydney doesn't wait for a server in Virginia. What a CDN does, what it can and can't speed up, how caching fits in, and the stale-content surprise that confuses beginners.
What Are Tokens in AI? Why Your Usage Is Counted in Pieces of Words
AI models read and write in tokens, not words — and pricing, limits, and context windows are all measured in them. What a token is, roughly how many words it equals, input vs output tokens, why code uses more of them, and practical ways to use fewer.
Agent Hosting Is Becoming Free. Here's What Isn't.
Anthropic now ships ways to keep Claude Code running without your laptop — Remote Control, cloud sessions, scheduled Routines. That's good news, and it changes what's worth paying for. The session is becoming a commodity. The environment the work ships into is not.
What Are WebSockets? Real-Time Features Explained
Chat, live notifications, multiplayer cursors, and dashboards that update themselves all need the server to push data to the browser. How WebSockets work, the simpler alternatives (polling and server-sent events), hosted real-time services, and what real-time needs from your hosting.
Web App vs Mobile App: Which Should You Build First?
Should your idea be a website, an iPhone app, an Android app, or all three? The real differences in cost, distribution, app store rules, updates, and capabilities — plus progressive web apps and cross-platform tools like React Native and Flutter — and why most first products start on the web.
VS Code for Beginners: The Setup and Shortcuts That Matter
Visual Studio Code is the most popular code editor, and the one most AI tools integrate with. How to open a project, find your way around, use the built-in terminal and search, the handful of extensions and shortcuts worth learning, and how it fits alongside Claude Code.
VPS vs PaaS: Where Should a Small App Live?
A VPS is cheap and does whatever you tell it — including nothing when it breaks. A PaaS runs your app for you and bills you for the privilege, often by usage. What each one actually includes, what it quietly leaves to you, and how to decide for a side project, an AI-built app, or a small business.
A Security Checklist for Vibe-Coded Apps
AI-built apps fail security in predictable ways: open databases, keys in the browser, authorization checked only in the UI. A practical checklist for non-security people — what to check, how to test it yourself, and what to fix before real users arrive.
Validating Input With Zod: One Schema for Forms, APIs, and Types
Every trust boundary — request bodies, query strings, webhooks, environment variables, AI output — needs runtime validation TypeScript can't provide. Using Zod schemas at each boundary, sharing them between client and server, stripping unknown keys, and useful errors.
How to Update Your App's Dependencies Safely
The packages your app is built on get security fixes and new versions constantly. Ignore them and you accumulate risk; update carelessly and the app breaks. What version numbers mean, a safe routine for updating, how to handle security warnings, and how to let an AI do the tedious part.
How to Undo Almost Anything in Git (Including an AI Agent's Mess)
An agent committed to the wrong branch, rewrote files you needed, or ran a reset it shouldn't have. Git can almost always get your work back. Which undo command fits which situation — restore, revert, reset, and the reflog that rescues 'deleted' commits — explained with the exact commands.
Why TypeScript Makes AI-Generated Code Safer
Types turn a whole class of AI mistakes — invented properties, wrong arguments, forgotten null checks — into errors caught before the code runs. How TypeScript acts as a feedback loop for agents, the settings that matter, and the escape hatches AI uses to switch it off.
The Transactional Outbox Pattern: Reliable Events Without Dual Writes
Writing to your database and publishing an event can't be made atomic, so one eventually happens without the other. How the transactional outbox fixes it: polling relays vs CDC, ordering, at-least-once delivery, idempotent consumers with an inbox, cleanup, and monitoring.
A tmux Cheat Sheet for Long-Running Sessions (and AI Agents)
tmux keeps terminal sessions running after you disconnect — which is exactly what you want for a build, a dev server, or an AI agent working on a remote machine. The twenty commands that cover almost everything, a small config that makes it pleasant, and the habits for running agents inside it.
How to Test Your App Before Launch (Without Writing Tests)
You don't need to be a programmer to find most bugs before your users do. A practical, one-afternoon testing plan for AI-built apps: the journeys to walk through, the 'try to break it' checks, the security tests, and how to keep track of what you find.
The Terminal for Complete Beginners: 15 Commands You'll Actually Use
The black window with blinking text isn't as scary as it looks. What the terminal is, why AI coding tools use it, and the fifteen commands that cover almost everything a beginner needs — plus the few that deserve respect.
Technical Debt in AI-Built Apps: What It Is and When to Pay It Down
AI tools let you build fast, and some of that speed is borrowed. What technical debt is, the specific kinds AI-generated code accumulates — duplication, dead code, inconsistent patterns, no tests — how to tell when it's hurting, and a practical way to pay it down without a rewrite.
Supabase vs Firebase: Which Backend for Your First App?
Lovable and Bolt lean on Supabase; many tutorials use Firebase. How the two backends compare — database model, auth, security rules, real-time, pricing shape, and lock-in — and which one fits the app you're building.
Supabase Row-Level Security Explained (for People Who Didn't Write the Policies)
If your app talks to Supabase from the browser, row-level security is the only thing standing between your users' data and anyone who opens the developer tools. What RLS is, how to read the policies your AI tool wrote, the four mistakes that leave data exposed, and how to test it yourself.