Disclosure: I'm a senior backend tech lead and I run HostingGuru. This list applies to any platform; HostingGuru happens to handle a few of these for you automatically, which I'll flag honestly when relevant. I've helped about a dozen non-technical founders take their first Claude Code MVP from localhost:3000 to a real production URL in the last six months. They are much better at shipping than the same founders would have been two years ago. But the same 15 things keep biting them in the first two weeks after launch. Almost none of these are about the code being wrong. They are about production being a different environment with its own rules, rules nobody warned anyone about because everyone assumed you already knew them. This is the checklist I now send to every founder before they go live. If you went live in the last 30 days and didn't go through it, you almost certainly have at least four of these issues right now. 1.…