Tag: containers

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.

Your CI rebuilds node_modules from scratch every build. BuildKit, Docker's default builder since 23.0, fixes it with cache mounts, parallel stages, real secrets.

Piper vs Coqui TTS compared: speed, voice quality, Docker setup, and Home Assistant integration. Run offline neural TTS on your own hardware, no cloud fees.

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

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

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 for Dockerfiles and Compose: configure HEALTHCHECK for PostgreSQL, Redis, Nginx, and Node.js with intervals, retries, and depends_on.

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

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

Docker Compose reads env vars from three places and only one wins. The precedence order, the .env gotcha, when your shell wins, and how to debug it.

Podman skips the root daemon Docker needs. Quadlets let systemd manage containers natively, with auto-updates and health checks, for self-hosting without Compose.

You updated a container and the database is gone. The bind mount and permission mistakes that lose data, named volumes as the fix, and how to check.