https://github.com/eddycjy https://golang2.eddycjy.com/posts/ch3/04-start-grpc/
wget https://github.com/google/protobuf/releases/download/v3.11.2/protobuf-all-3.11.2.zip
unzip protobuf-all-3.11.2.zip && cd protobuf-3.11.2/
./configure
make
make install
ldconfig
protoc --version
go get -u google.golang.org/grpc
go get -u github.com/golang/protobuf/protoc-gen-go
protoc --go_out=plugins=grpc:. ./proto/*.proto
go build ./cmd/main.go
go get github.com/fullstorydev/grpcurl
go install github.com/fullstorydev/grpcurl/cmd/grpcurl
grpcurl -plaintext localhost:18080 list
grpcurl -plaintext localhost:18080 proto.TagService.GetTagList