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Docs - Add section about how HTTP maps to gRPC #227

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Oct 4, 2016
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Docs - Add section about how HTTP maps to gRPC #227

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Docs - Add section about how HTTP maps to gRPC
philipithomas Sep 30, 2016
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README - Incorporate code review feedback
philipithomas Sep 30, 2016
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8 changes: 8 additions & 0 deletions README.md
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Expand Up @@ -220,6 +220,14 @@ But patch is welcome.
* Encoding request/response body in XML
* True bi-directional streaming. (Probably impossible?)

# Mapping gRPC to HTTP

* [How gRPC error codes map to HTTP status codes in the response](https://github.com/grpc-ecosystem/grpc-gateway/blob/master/runtime/errors.go#L15)
* HTTP request source IP is added as `X-Forwarded-For` gRPC request header
* HTTP request host is added as `X-Forwarded-Host` gRPC request header
* HTTP `Authorization` header is added as `authorization` gRPC request header
* Remaining HTTP header keys are prefixed with `Grpc-Metadata-` and added with their values to gRPC request header

# Contribution
See [CONTRIBUTING.md](http://github.com/grpc-ecosystem/grpc-gateway/blob/master/CONTRIBUTING.md).

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