Observers setup guide - snowplow-archive/sauna GitHub Wiki
HOME > GUIDE FOR DEVOPS > SETTING UP SAUNA > OBSERVERS
Observers are Sauna's way of detecting incoming events. These entities wait for specific events to occur - when an event occurs, it is the observer's job to trigger the appropriate responder action.
Without observers, Sauna would have no way of knowing what work needs to be done - therefore, you must configure and enable at least one observer to successfully start up Sauna.
The available observers which you can configure are as follows: