// Hacker Noon · 25 February 2026

How I Built a 1 GB Observability Stack for My Go Startup Using Prometheus, Loki, and Grafana

I needed observability for my Go Telegram bot running on a free VPS with only 4 GB of RAM, where the app already used ~2 GB. After comparing tools by RAM usage, I chose Prometheus (metrics), Loki (logs), Promtail (log collector), and Grafana (dashboards) — the entire stack fits in ~1 GB. The article...

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@hacker-noon · Stanislav Korolev

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