1. Add code coverage analysis, for example: `go test -v -race -coverprofile="coverage.txt" -covermode=atomic ./...` 2. Add reporting to service like [Codecov](https://codecov.io/) or [Coveralls](https://coveralls.io/) 3. Add badge to README See: - https://blog.golang.org/cover - https://github.com/codecov/example-go
