Automation

Automating Docker Updates: Watchtower vs Diun vs Manual Strategies Your homelab is running smoothly. Twenty containers, all humming along. Then a CVE drops for one of your images, and you realize you haven’t updated anything in three months. Docker containers don’t update themselves. Unlike desktop apps with auto-update prompts or Linux packages with apt upgrade, containers stay pinned to whatever image you pulled at deploy time. Without a strategy, your self-hosted stack slowly drifts into a graveyard of outdated software. ...

Self-Hosting Diun: Docker Image Update Notifications You’re running twenty Docker containers. One of them just got a critical security patch upstream. How long until you notice? If you’re using Watchtower, the answer is “automatically — it’ll update itself.” But automatic updates aren’t always what you want. Maybe you run a database that needs careful migration steps. Maybe you’ve been burned by a breaking change at 3 AM. Maybe you just want to know before you act. ...

Ansible is the gold standard for server automation. But writing YAML playbooks and running them from the terminal gets old fast — especially when you manage multiple machines in your homelab. Semaphore is a modern web UI for Ansible. It lets you manage playbooks, track run history, schedule tasks, and share automation with your team — all from a clean browser interface. Think of it as “Ansible meets GitHub Actions” for your home server. ...

One of the hidden maintenance costs of self-hosting is keeping everything updated. When you’re running 10, 20, or 50 Docker containers, manually pulling new images and recreating containers gets old fast. Miss an update and you might be running a version with known security vulnerabilities. Watchtower solves this by automatically monitoring your running containers, pulling new images when they’re available, and gracefully restarting containers with the same configuration. Set it up once, and your homelab stays current without you lifting a finger. ...

Managing a media library manually is tedious. Downloading episodes, renaming files, organizing folders—it’s exhausting. That’s where Sonarr and Radarr come in. These tools automate your entire media pipeline: monitoring releases, downloading content, organizing files, and updating your media server. Set it once, forget forever. This guide walks you through setting up both tools with Docker Compose. What Are Sonarr and Radarr? Sonarr = Automated TV show management Radarr = Automated movie management ...

Automating Backups for Your Home Server: Complete Guide You’ve spent hours setting up your perfect home server with Docker containers, configuration files, and precious data. But what happens when a drive fails, ransomware strikes, or you accidentally delete something critical? Without automated backups, you’re one mistake away from losing everything. This guide will show you how to implement rock-solid automated backups for your home server using proven tools and the industry-standard 3-2-1 backup rule. ...

Getting Started with Home Assistant: Complete Beginner’s Guide Home Assistant is the ultimate open-source smart home platform. It lets you control all your smart devices from one dashboard, create powerful automations, and keep your data private. This guide will take you from zero to a fully functional Home Assistant installation. What is Home Assistant? Home Assistant is a free, open-source home automation platform that runs on your local network. Unlike cloud-based solutions like Google Home or Amazon Alexa, Home Assistant: ...