for diploma
- https://www.youtube.com/watch?v=ZthWg-_Bg_c&ab_channel=solo.io [about metrics logs ... in envoy, prometheus, ...]
- ./run.sh
- envoy_host
- 8080/users: for incoming and outgoing TRAFFIC
- 9901: port for envoy ADMIN page
- observability_host(prometheus and grafana)
- 3000: for GRAFANA
- default email: admin
- default password: mysecretpassword ( to change password, modify /ansible/roles/grafana/files/config.ini )
- 9090: for PROMETHEUS
- 3000: for GRAFANA