Update docker compose url

docs/src/main/asciidoc/building-base.adoc

@@ -31,7 +31,7 @@ credentials and you already have those.
 
 The projects that require middleware generally include a
 `docker-compose.yml`, so consider using
-https://compose.docker.io/[Docker Compose] to run the middeware servers
+https://docs.docker.com/compose/[Docker Compose] to run the middeware servers
 in Docker containers. See the README in the
 https://github.com/spring-cloud-samples/scripts[scripts demo
 repository] for specific instructions about the common cases of mongo,