OPA Ecosystem / Envoy


Styra Declarative Authorization Service

Policy as Code Control Plane by Styra

Styra DAS provides an out-of-the-box integration for writing Envoy authorization policies. See the tutorial here.
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Container Network Authorization with Envoy

Official OPA Envoy Integration by Styra

The opa-envoy-plugin project is the official integration for OPA and Envoy.
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SPIRE can be used to integrate with Envoy and OPA. See a blog here to learn more.
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Open Service Mesh (OSM)

External Authorization supports OPA and is documented here
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Integrations are ordered by the amount of linked content.

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