Application Monitoring Stack
Stakater App Agility Platform (SAAP) monitoring stack is based on following components
Metrics collection and storage via Prometheus, an open-source monitoring system time series database.
Alerting/notifications via Prometheus' Alertmanager, an open-source tool that handles alerts send by Prometheus.
Metrics visualization via Grafana, the leading metrics visualization technology.
Stakater Ingress Monitor Controller (IMC)
Stakater IMC watches ingress/routes and creates liveness alerts in third party uptime checkers; for downtime notifications. By default SAAP uses UptimeRobot free tier.