simple commerce with clean-architecture and grpc and unit test
refer to:
https://github.com/alanhou/go-grpc-project
https://github.com/bxcodec/go-clean-arch
https://quii.gitbook.io/learn-go-with-tests
Clean Architecture by Uncle Bob
https://github.com/vektra/mockery https://github.com/stretchr/testify/mock bufconn go-sqlmock with gorm