gRPC Gateway Sample

This is a sample of gRPC Gateway.

Pre installed

It assumes that you have read the Project Root README and followed the instruction.

Install another plugins for protoc.

$ go get -u github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
$ go get -u github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger

Proto file

• echo.proto

How to convert

Stub

$ protoc -I. \
    -I$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis \
    --go_out=plugins=grpc:. \
    *.proto

This will generate a stub profile.pb.go.

Gateway

$ protoc -I. \
    -I$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis \
    --grpc-gateway_out=logtostderr=true:. \
    *.proto

This will generate a stub profile.pb.gw.go.

Implementation

• server/main.go
• gateway/main.go

Test

# Launch.
$ go run server/main.go
$ go run gateway/main.go

# Test.
$ curl -d '{"value":"aaa"}' http://localhost:8080/v1/example/echo
{"value":"aaa"}

More examples

https://github.com/grpc-ecosystem/grpc-gateway/tree/master/examples

References

https://github.com/grpc-ecosystem/grpc-gateway