Well, you don’t need much fluency: feat(sentry10): Make on-premise work for Sentry 10 by BYK · Pull Request #220 · getsentry/self-hosted · GitHub
Just use that v10 branch and run ./install.sh in there. The latest sentry image on Docker Hub, getsentry/sentry:latest is not too recent but it is not too old either. If you want a more recent one, see Uploading Source Files with Debug Information - #14 by BYK
I just merged build(gcr): Move to Google Cloud Build from Docker Hub autobui… by BYK · Pull Request #15116 · getsentry/sentry · GitHub so you should be able to do SENTRY_IMAGE=us.gcr.io/sentryio/sentry:latest for some time.