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Want to join the 27 million open-source programmers who develop on GitHub? Here's how to get your start.

The most popular open-source development site in the world is GitHub. It's used by tens of millions of developers to work on over 80 million projects.

OPA is a general-purpose policy engine that let’s you offload decisions from your service. To do so, OPA needs to have access to policies and data that it can use to make decisions.

Prior to v0.8, OPA only exposed low-level HTTP APIs that let you push policy and data into the engine. With v0.8, we’re excited to provide new management features in OPA which make it easier to distribute policies (and data) as well as monitor the health of your agents.

Most enterprises still have monolithic applications, but many are exploring the use of microservices. The monoliths are accessible via APIs and monitored by the traditional application performance management (APM) tools, with deep dives provided by Splunk and other log investigation tools. With microservices — usually, run on platforms such as Kubernetes or Cloud Foundry — monitoring is usually done through tools such as Prometheus (scalable monitoring) and Open Tracing (transactional logging).