help request: how to proxy http+pb about apisix HOT 8 OPEN

grpc-transcode is for transcoding between regular HTTP requests and gRPC, so it is expected that the upstream response is returned in JSON.

It sounds like you are not looking for any transcoding but to have APISIX proxy for your request to gRPC upstream service, is that correct?

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grpc-transcode is for transcoding between regular HTTP requests and gRPC, so it is expected that the upstream response is returned in JSON.

It sounds like you are not looking for any transcoding but to have APISIX proxy for your request to gRPC upstream service, is that correct?

At present, I am using APISIX to proxy my upstreams, and the client uses JSON as the HTTP body. Currently, grpc-transcode is enabled, so the client's input and output are both in JSON format. Now the client wants to use protobuf as the input and output, but I don't know how to configure it. I have tried some solutions, but none have been successful; using HTTP+PB requests, the upstream can receive and process them, but APISIX always returns JSON to the client. What I want is a route configuration that can return protobuf. Thanks

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APISIX always returns JSON to the client. What I want is a route configuration that can return protobuf.

I'm not aware if APISIX can do this. @shreemaan-abhishek thoughts?

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no there is no such feature. do you mean to say that upstream returns PB but APISIX modifies it to JSON?

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no there is no such feature. do you mean to say that upstream returns PB but APISIX modifies it to JSON?

No. All PB. No JSON. Do you know how to config APISIX route? Send PB and receive PB. Thank you.

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No. All PB. No JSON.

I meant to ask, does the upstream return JSON even when not using APISIX?

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No. All PB. No JSON.

I meant to ask, does the upstream return JSON even when not using APISIX?

upstream return pb, protocol is grpc

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@snowleopard331, can you prepare a github gist/repo with a self contained example to reproduce this issue? I will take a look at this when I am free.

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