🏗️ DevOps & Infrastructure

Ubuntu Docker Homelab Died: Lessons in Failure

It worked. Then it didn't. One monolithic Ubuntu VM hosting a full Docker stack became a liability, not a liberation. Here's the unvarnished truth.

Open Source Beat Apr 12, 2026 2 min read

⚡ Key Takeaways

Running critical services on a single VM without storage redundancy or proper process management is a recipe for disaster. 𝕏
Docker containers require an init system (like `--init`) to correctly manage child processes and prevent resource leaks. 𝕏
A monitoring tool is useless if it is not itself monitored, leading to silent failures like Grafana's OOM exit. 𝕏
Networking solutions like Cloudflare Tunnels and Tailscale can effectively bypass CGNAT, but they don't fix underlying infrastructure weaknesses. 𝕏