protoc -I . -I$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --go_out=. --go_opt=paths=source_relative \
--go-grpc_out=. --go-grpc_opt=paths=source_relative \
proto/api.proto
protoc -I . -I$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis --grpc-gateway_out . \
--grpc-gateway_opt logtostderr=true \
--grpc-gateway_opt paths=source_relative \
proto/api.proto