Firefox comes from Mozilla's own apt repo since Ubuntu's is a snap that
does not run in a container. geckodriver is matched to it at build time.
Playwright installs its Chromium and Firefox, skipping WebKit which has
no linux-arm64 build; Playwright's Chromium is exposed as the headless
Chrome.
Model: deepseek-v4-pro
Single-RUN image built by build.sh on ubuntu:26.04: build-essential,
distro plus latest Go, nvm with Node LTS, corepack with yarn/pnpm cached,
wrangler, hugo extended, golangci-lint, pyenv with latest Python 3, pip
and virtualenv. runit services supervised under runsvinit as PID 1.
Docs, man pages, caches and non-English locales stripped.
Includes build logs for the 2026-11-05 release (amd64 and arm64).