Simple envoy ext_authz

What's covered?

Envoy proxy support the external authorization i.e envoy.ext_authz in http filters. It'll cover you can mock the external authorization server when you have a test with Envoy.

Features

• Authorized token
• Additional Header in the response

Usage

Docker

$ docker run -p 50051:50051  ext-authz:0.1.0 -H foo=bar -H far=baz
# run server
2020/03/01 15:19:38 Starting gRPC Server at :50051, valid token: foo, headers: map[far:baz foo:bar].

Usage of server -grpcport string grpcport. (default ":50051") -token string authenticated token. (default "foo")