This repository contains a simple dockerfile that downloads OPA version 0.35.0 and spins up a standard OPA server on Heroku. This service may be used by remote machines to configure and replace Linux PAM authentication with OPA based authorization & authentication.
To learn more on how the URL can be used to replace Linux PAM, read here: https://www.openpolicyagent.org/docs/latest/ssh-and-sudo-authorization/
To look at how a sample setup looks like, head here