- How to use Viper to parse config
- https://github.com/spf13/viper
- https://blog.logrocket.com/handling-go-configuration-viper/
- https://medium.com/@jomzsg/the-easy-way-to-handle-configuration-file-in-golang-using-viper-6b3c88d2ee79
- https://dev.to/techschoolguru/load-config-from-file-environment-variables-in-golang-with-viper-2j2d