Contour is an Ingress controller for Kubernetes that works by deploying the Envoy proxy as a reverse proxy and load balancer. Unlike other Ingress controllers, Contour supports dynamic configuration updates out of the box while maintaining a lightweight profile.
Contour also introduces a new ingress API (IngressRoute) which is implemented via a Custom Resource Definition (CRD). Its goal is to expand upon the functionality of the Ingress API to allow for a richer user experience as well as solve shortcomings in the original design.
Check out the roadmap to see where we plan to go with the project.
Also see the launch blog post for our vision of how Contour fits into the larger Kubernetes ecosystem.
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