When this matters
Deploy matters when you want a preview link, a public launch, a staging environment, or a production release. It also matters every time you ship a fix, because deployment is where code meets environment variables, domains, builds, and runtime differences.
Small example
A simple deployment path might look like this: commit code, push branch, build on the hosting platform, then receive a preview or production URL.
1. Push code
2. Hosting platform runs the build
3. Environment variables are loaded
4. App is served at a public URLCommon mistake or lookout
Assuming deploy just means “push to GitHub.” In practice it also includes build output, runtime settings, environment variables, domain routing, and whatever your platform needs to serve the app correctly.
Why this matters for vibe coders
Vibe coders can generate surprisingly polished local demos, but deployment is the moment of truth. That is where broken env vars, missing build steps, and domain weirdness stop being abstract and start blocking users.
Where this shows up on the site
Comparison
Codex vs Claude Code for Vibe Coders
These are two of the strongest coding agents for working in real repositories. Claude Code is an excellent choice when deep, context-heavy agent work is the priority. Codex is my better default for most builders because it gives you a flexible path across local work, cloud delegation, and code review without forcing the whole workflow into one shape.
Blog post
I Updated This Website From a Train With Codex
Codex remote connections let you keep a real website project moving from your phone. I tried it on my commute, and the changes were live before I hit the station.