- Simplify Alertmanager to use localhost:25 by default (Postfix) - Update node-exporter and cadvisor compose configurations - Bump Loki, Grafana, Prometheus image versions
- Add Prometheus alert rules configuration (alerts.yml.j2) - Update Prometheus docker-compose and main configuration - Add Grafana tasks for improved deployment and verification - Integrate Alertmanager with Prometheus for alerting pipeline