Tag: containers

Multi-Stage Docker Builds: Stop Shipping Your node_modules to Production

Learn multi-stage Docker builds to slash image sizes by 90%. Practical before/after examples for Node.js, Python, and Go with real size comparisons.

Docker BuildKit: Stop Waiting for Your Images to Build

Docker BuildKit is the default builder since Docker 23.0 — but most people aren't using it right. Here's how to actually speed up your builds.

Piper vs Coqui: Text-to-Speech on Your Own Hardware (Because AWS Polly Charges Per Character Like It's 1999 SMS)

Run local TTS with Piper or Coqui on Linux, Docker, or Home Assistant. Fast, private, offline text-to-speech — no cloud fees, no data leaks, no surprises.

Healthcheck vs Restart Policy: The Difference Matters

Your container crashes and restarts. Your app is broken but says it's healthy. These are two different problems. Here's the distinction.

Watchtower vs Diun: Automating Docker Updates Without Burning Your Stack

Compare Watchtower and Diun for Docker container updates. Learn which auto-update tool fits your homelab with Compose examples, notifications, and filtering tips.

Watchtower: Safe Container Auto-Updates

Tired of manually updating containers? Watchtower handles it. But if you set it wrong, you'll wake up to broken apps. Here's how to do it right.

Docker Health Checks: Because "It's Running" Doesn't Mean "It's Working"

Learn Docker health checks for Dockerfiles and Compose. Configure HEALTHCHECK for PostgreSQL, Redis, Nginx, and Node.js with intervals, retries, and depends_on tips.

Docker Logging: From "Where Did My Logs Go?" to Centralized Bliss

Learn Docker logging from basics to centralized stacks. Master docker logs, logging drivers, log rotation, Loki+Grafana, and Fluentd setup with practical examples.

Lazy Docker & Dive: CLI Tools That Make Docker Less Painful

Learn how lazydocker and dive make Docker manageable from your terminal. TUI dashboards, image layer analysis, CI integration, and optimization tips.

Docker Compose Environment Variable Precedence

Three ways to set env vars in Docker Compose. Only one wins. Here's which and why it breaks your configs.

Podman Quadlets: Running Containers Without the Docker Daemon (or Your Sanity)

Podman runs containers without a daemon — and Quadlets let systemd manage them natively. Here's why that's actually great for self-hosting.

Why Self-Hosted Apps Lose Data After Updates

You updated your container and your database is gone. Here's the volume permission mistake killing your data.