Alertmanager Courses
CNCF [Cloud Native Computing Foundation] via YouTube Prometheus Update from the Maintainers
CNCF [Cloud Native Computing Foundation] via YouTube Prometheus Essential Training
LinkedIn Learning Prometheus Certified Associate (PCA) Certification Overview and Demo
Kubesimplify via YouTube Testing Kubernetes Apps' Observability End-to-End
DevConf via YouTube Kubernetes Cluster Monitoring with Prometheus, Alertmanager, and Grafana
Conf42 via YouTube