https://www.youtube.com/watch?v=J0csO_Shsj0 

https://www.youtube.com/watch?v=e43BII0fYkw

https://devops.com/log-management-what-devops-teams-need-to-know/ 

ELK Stack - https://www.youtube.com/watch?v=4X0WLg05ASw

Fluent - https://www.youtube.com/watch?v=5ofsNyHZwWE&t=14s