# What is Sentry? Sentry is a realtime event logging and aggregation platform. It specializes in monitoring errors and extracting all the information needed to do a proper post-mortem without any of the hassle of the standard user feedback loop. > [github.com/getsentry/sentry](https://github.com/getsentry/sentry) %%LOGO%% # How to use this image ## start a sentry instance ### PostgreSQL database (as recommended by upstream) docker run --name some-sentry --link some-postgres:postgres -d sentry ### MySQL database docker run --name some-sentry --link some-mysql:mysql -d sentry ### Redis buffering (recommended by upstream for any real workloads) To enable Update Buffers using Redis, just add `--link some-redis:redis` to the `docker run` arguments of your service. ### port mapping If you'd like to be able to access the instance from the host without the container's IP, standard port mappings can be used. Just add `-p 8080:9000` to the `docker run` arguments and then access either `http://localhost:8080` or `http://host-ip:8080` in a browser. ## configuring the initial user The following assumes you chose PostgreSQL. If you did not, just replace the `--link` entries appropriately: docker run -it --rm --link some-postgres:postgres sentry sentry createsuperuser Once the user is created, you must run the following to give them the proper teams/access within the database: (replace `` here with whatever was entered as the "Username" when prompted by `createsuperuser` above) docker run -it --rm --link some-postgres:postgres sentry sentry repair --owner=