:80 {
	root * /srv
	file_server
	# SPA fallback: real paths like /2026-08-09/prime aren't real files, so
	# fall back to index.html and let src/router.ts read the URL client-side.
	# The hub's outer Caddy strips the /vu prefix (path_mount + strip_prefix)
	# before proxying here, so paths inside the container never have it.
	try_files {path} /index.html
}
