About this Repo 
This is the Git repo of the official Docker image for sentry. See the Hub page for the full readme on how to use the Docker image and for information regarding contributing and issues.
The full readme is generated over in docker-library/docs, specificially in docker-library/docs/sentry.
docker-compose
If you'd like to use docker-compose or try Sentry using Docker, head over to https://github.com/getsentry/onpremise.