Metabase is distributed as a jar file as a download from https://www.metabase.com/start/oss/jar
We need to investigate how we want to fetch, install and configure the service, and develop a process to monitor for vulnerabilities and handle software updates.
From https://www.metabase.com/security
"We publish our security advisories on Github." and https://github.com/metabase/metabase