Prometheus + Grafana Monitoring Starter Kit

What's Inside

• 📦docker-compose.yml — Full stack in one file: Prometheus, Grafana, Node Exporter, cAdvisor, Alertmanager. Every non-obvious line explained.
• 📦prometheus.yml — Annotated scrape config with 4 pre-wired jobs, ready to extend.
• 📦alert-rules.yml — 8 practical alert rules (InstanceDown, HighCPU, HighMemory, DiskAlmostFull, HighDiskIO, and more) with threshold rationale included.
• 📦alertmanager.yml — Working stub with commented Slack/email routing examples.
• 📦Grafana auto-provisioning — Datasource and dashboards load on first boot. No manual UI setup.
• 📦5 curated dashboards — Node Exporter Full, Docker Host Overview, Prometheus Self-Monitoring, Alertmanager Overview, Disk & Network I/O Deep-Dive.
• 📦40+ annotated PromQL queries — Six categories, plain-English explanations for every query.
• 📦Step-by-step quickstart guide — Deployment walkthrough with failure-mode troubleshooting for the top 3 problems.