debugging
Why Docker bypasses UFW and how to actually lock it down
Docker publishes ports by editing iptables directly, which skips UFW entirely. Here's why it happens and three ways to actually lock things down.
dockersecuritydevops
debugging
Why Your Docker Containers Refuse to Die: The PID 1 Problem
Your Docker containers take 10 seconds to stop? It's almost always the PID 1 signal-handling problem. Here's the root cause and the fix.
dockerdevopslinux
debugging
Why Your Python Scripts Fail in Self-Hosted n8n (And How to Fix It)
Why Python scripts fail in self-hosted n8n Docker containers and how to fix it with custom images, virtual environments, and sidecar patterns.
dockerpythonselfhosted
debugging
Why Your Self-Hosted App Keeps Dying at 3 AM (And How to Fix It)
Fix the most common reasons self-hosted production apps crash overnight — memory limits, disk issues, health checks, and the operational basics most guides skip.
selfhostingdevopsdocker
tutorial
TapMap Finally Lands on Linux and Docker — Here's Why That Matters
TapMap now supports Linux and Docker. Here's how to set it up, where it fits in your stack, and what to watch out for.
devopsdockerlinux