Imports github.com/go-kratos/kratos/v2 github.com/go-kratos/kratos/v2/config github.com/go-kratos/kratos/v2/config/file github.com/go-kratos/kratos/v2/log github.com/go-kratos/kratos/v2/transport/grpc github.com/go-kratos/kratos/v2/transport/http Standard library imports coin/internal/biz coin/internal/conf coin/internal/data coin/internal/server coin/internal/service flag os