add link to Docker Compose example

Running-a-private-bitwarden_rs-instance-with-Let's-Encrypt-certs.md

@@ -2,6 +2,8 @@ Suppose you want to run an instance of bitwarden_rs that can only be accessed fr
 
 This article demonstrates how to create such a setup using the [Caddy](https://caddyserver.com/) web server, which has built-in ACME support for various DNS providers. We'll configure Caddy to obtain Let's Encrypt certs via the ACME [DNS challenge](https://letsencrypt.org/docs/challenge-types/#dns-01-challenge) -- using the more common HTTP challenge would be problematic here, since it would rely on Let's Encrypt servers being able to reach your internal web server.
 
+(Note that this article covers the DNS challenge setup in more generic terms, but many users will probably find it easiest to use Docker Compose to integrate Caddy and bitwarden_rs. See [Using Docker Compose](https://github.com/dani-garcia/bitwarden_rs/wiki/Using-Docker-Compose#caddy-with-dns-challenge) for an example specific to that.)
+
 Two DNS providers are covered:
 
 * [Duck DNS](https://www.duckdns.org/) -- This gives you a subdomain under `duckdns.org` (e.g., `my-bwrs.duckdns.org`). This option is simplest if you don't already own a domain.