参考文献

公式
https://grpc.io/docs/languages/go/quickstart/
https://blog.postman.com/postman-now-supports-grpc/
github
restとgRPCの違いがわかりやすい
https://github.com/kabaluyot/gomora
https://github.com/jun06t/grpc-sample
https://github.com/bxcodec/go-clean-arch-grpc
https://github.com/hatajoe/8am
https://github.com/avinassh/grpc-errors
https://github.com/grpc/grpc-go/issues/3794
https://github.com/fullstorydev/grpcurl
ブログ
https://zenn.dev/hsaki/books/golang-grpc-starting/viewer/server
https://qiita.com/kawamou/items/96d815b41c4c27e4537b#バックエンドの実装
https://qiita.com/ishishow/items/c9b633d3d4d22db74a6d
https://zenn.dev/yukari_erb/scraps/85a77e6e4ac6a1
https://christina04.hatenablog.com/entry/protoc-usage
https://www.slideshare.net/disc99_/apirestgrpc
https://zenn.dev/bz0/articles/4f4910ec80d638
https://dev.classmethod.jp/articles/golang-grpc-sample-project/#toc-5
https://qiita.com/i-dach/items/e03beb4eaf7ebd1d9688