GitHub and Registry proxy is running.

GitHub full URL:
/https://raw.githubusercontent.com/OWNER/REPO/BRANCH/FILE

GitHub prefix URL:
/github/raw.githubusercontent.com/OWNER/REPO/BRANCH/FILE

Docker registries use separate subdomains:
docker.<your-domain>/v2/
ghcr.<your-domain>/v2/
quay.<your-domain>/v2/