Fix the Broken Build

Debug a Dockerfile that fails to build and serves nothing.

A intermediate Docker challenge worth 10 points. Solve it hands-on in a real Docker environment in your browser - no local setup, no fake shells.

The Challenge

Scenario: The intern wrote the Dockerfile for the shop's static site in /root/webapp — the build fails outright.

Tasks:

Commands to learn: docker build -t, reading build errors, COPY

Run check when done.