Grafana Has a Free Observability Platform That Visualizes Everything

CloudWatch charges per metric. Datadog charges per host. Grafana is free, open source, and connects to 100+ data sources — Prometheus, PostgreSQL, Elasticsearch, ClickHouse, Loki, and more. Build dashboards for anything. What Grafana Gives You for Free 100+ data sources — Prometheus, PostgreSQL, MySQL, InfluxDB, Elasticsearch Beautiful dashboards — drag-and-drop panel editor Alerting — Slack, PagerDuty, email, webhook notifications Explore mode — ad-hoc querying and debugging Annotations — mark deployments, incidents on graphs Plugins — 1000+ community plugins Grafana Cloud — free tier: 10K metrics, 50GB logs, 50GB traces Quick Start docker run -d -p 3000:3000 grafana/grafana-oss Open http://localhost:3000 (admin/admin). Connect to Prometheus Go to Configuration → Data Sources → Add Prometheus URL: http://prometheus:9090 Click "Save & Test" Build a Dashboard # CPU usage per container rate ( container_cpu_usage_seconds_total [ 5m ]) * 100 # Memory usage container_memory_usage_bytes / 10