Recently I was looking for a way to implement access control for microservices. I needed a solution that would allow defining complex authorization rules that could be enforced across many services. After searching the web, I discovered a very promising Open Policy Agent project that seems to be the right tool for the job. In this series of three blog posts, I am going to introduce Open Policy Agent to you and highlight how it can help you.
What Is Open Policy Agent?
Open Policy Agent (OPA) is a policy engine that can be used to implement fine-grained access control for your application. For example, you can use OPA to implement authorization across microservices. However, there is much more that can be accomplished with OPA.
