When Docker Says 'not found' But ls Says 'it's right there': A glibc/musl Comedy of Errors

You know that moment when your computer is gaslighting you? When you run ls inside a Docker container, see your executable sitting there with perfect permissions, but when you try to run it, the shell just shrugs and says “not found”? Welcome to my Saturday morning. The Setup: A Simple Go + TailwindCSS Build I was working on a straightforward Dockerfile for a Go web app that uses TailwindCSS. Nothing fancy—just download the tailwindcss binary, make it executable, run it to process some CSS, and move on with life. ...

July 12, 2025 · 3 min · 500 words · Zac Orndorff<https://orndorff.dev>