# libre.sh libre.sh is a platform to manage many instances of different applications at scale. ## Use Cases The use cases directory lists things we try to achieve with libre.sh. ## Glossary Application: an application is a web application that is usable by an end user (For instance: HedgeDoc, Discourse, …). Object Store (S3 API “standard”): An http API to store and retrieve objects. PITR: Point in Time Recovery ## Personas ### Cluster Operator A Cluster Operator is a System Administrator, or Site Reliability Engineer that is transforming raw machines (physical, virtual) into a production Kubernetes cluster. This person is typically root on servers and on Kubernetes API. ### Application Operator An Application Operator is a person that is less technical than a Cluster Operator, and doesn’t necessarily understand the command line interface. But this person, through a nice User interface, is able to manipulate high level objects that represent the application. ### End User A user that will interact only with an application. ## Architecture decision records ## Systems ### libre.sh runtime A collection of controllers and services that are required to deploy applications instances. ### libre.sh runtime manager The controller in charge of installing/configuring/upgrading the runtime.