The prod rolling deploy rolls each service with `compose up -d --no-deps <svc>`.
For caddy that is a no-op on a config-only release: its image is pinned
(caddy:2-alpine, no $TAG), so the compose definition is unchanged between
releases, compose treats the container as current and does not recreate it, and
admin is off so there is no hot reload. The new bind-mounted Caddyfile is seeded
to the host but never loaded -- the v1.2.2 `Alt-Svc: clear` edge fix deployed
green yet did not take effect until caddy was restarted by hand.
Force a recreate for caddy on its roll (every other service already recreates on
its new $TAG image), so a bind-mounted Caddyfile change always applies. Costs a
~1-2s caddy blip per deploy, acceptable for the infrequent manual prod rollout.
Ilia Denisov