Support {s3,web}.root_domains for the Caddy on-demand TLS endpoint (<admin>/check?domain=xx)
This is not an English word - suggest replacing with "Similarly".
reverse-proxy.md: Added caching section for Caddy.
web_server.rs: Added bucket domain to observability
Even with my little deployment, you have much heavier metrics with far higher cardinality than this already:
web_server.rs: Added bucket domain to observability
post_object.rs: Fixed typos / grammar.
cargo: Bumps dependencies