Adds a `sudo systemctl reload caddy` step between the docker compose
deploy and the smoke test. This ensures any committed Caddyfile changes
are applied before the public surface is verified.
Previously the workflow had no mechanism to push Caddyfile changes to
the running host daemon. A Caddyfile edit would land in the repo but
Caddy would keep serving the previous config, causing the smoke test to
catch a stale header or still-proxied /actuator route rather than the
intended current config.
This step also surfaces the root cause of today's port-443 failure
explicitly: if Caddy is not running, the step fails with a clear service
error rather than a misleading "Failed to connect to port 443" from curl.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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