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Aserto authorizers are built to be deployed right next to your application, in your cloud.

Aserto Sidecar

The simplest local deployment is in the form of a single container, known as the Aserto Sidecar. You can deploy it either as a local microservice (and scale it horizontally), or if you're running in Kubernetes, you can deploy it as a sidecar in your application pod.

The Sidecar container implements the Aserto Directory using an embedded database, based on BoltDB. It scales up to a couple of GB of data (which could house 10k's of users, depending on how many properties each user contains).

The Edge Authorizers documentation describes the Sidecar and its deployment and management in more detail.

Local Directory

The second flavor of a local deployment is to host the Aserto Directory as a separate container. This implementation of the Aserto Directory uses Postgres as a back-end relational store, and can scale to larger data sizes than can fit in the embedded store.

The Local Directory documentation describes the scenarios where running a separate directory is advantageous, and how to deploy it in your local Kubernetes environment.