
Building a Production-Grade Observability Stack from Scratch — Prometheus, Grafana, Loki & Alertmanager
A hands-on walkthrough of building a centralized monitoring and logging platform using Prometheus, Grafana, Loki, Alertmanager, and Grafana Alloy — with Docker Compose, .env-driven config, AWS S3 log storage, EC2 service discovery, and email alerting.
