- Base image is Alpine Linux, not Debian - use apk instead of apt-get
- Switch to root for package install, then back to user 1000
- Add musl-dev for C compilation, docker-cli for container builds
- Update deployment to use registry.tail8d86e.ts.net/blumeops/forgejo-runner:latest
Image built and pushed to zot registry.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>