Tag: devops

All the articles with the tag "devops".

• Docker Compose vs Docker Swarm: When "Good Enough" Beats "Enterprise"

  27 Jul, 2025

  Docker Compose vs Docker Swarm: a practical guide to choosing the right tool. Learn when simple orchestration beats enterprise complexity, with real examples.

• Colima vs OrbStack vs Docker Desktop: Running Docker on Mac Without Selling Your Soul

  21 Jul, 2025

  Colima vs OrbStack vs Docker Desktop in 2026 — which Mac Docker runtime won't eat your RAM, your wallet, or your will to live? Real comparisons inside.

• Docker Resource Limits: Stop Letting Containers Eat Your RAM

  20 Jul, 2025

  Learn how to set Docker resource limits for memory, CPU, swap, and PIDs. Practical guide with real-world sizing examples, OOM killer behavior, and cgroups explained.

• Docker Compose Profiles: Run Only What You Need

  21 Apr, 2025

  Profiles let you conditionally start services in Compose. Perfect for dev vs prod service splits without multiple files.

• Stop Putting Passwords in Docker ENV

  28 Mar, 2025

  ENV bakes secrets into layers visible in docker history. Use BuildKit --secret, runtime vars, or .env files.

• Why the `latest` Docker Tag Is Lying to You

  17 Mar, 2025

  latest doesn't mean newest. Learn why pinning versions and digests matter for reproducible deployments.

• Multi-Platform Docker Builds with buildx

  10 Mar, 2025

  Build ARM64 and AMD64 images from one machine using Docker buildx. Setup, syntax, pushing multi-arch manifests, and when you actually need it.

• Docker Healthcheck Patterns That Actually Work

  26 Feb, 2025

  Master Docker HEALTHCHECK syntax. Learn what checks work, how to tune interval/timeout/retries, and integrate with orchestration.

• Docker Container Labels: The Metadata You're Ignoring

  12 Feb, 2025

  Docker labels are free metadata for filtering, routing, and documentation. Learn label conventions and leverage them with filters and tools.

• Why Docker Builds Are Slow: Layer Cache Explained

  5 Feb, 2025

  Layer caching is your build's BFF. Learn why copying files early kills the cache and how to fix it.

• The .dockerignore File You're Not Writing

  22 Jan, 2025

  Missing .dockerignore bloats build context, slows builds, and leaks secrets. Here's the one you should copy-paste.

• Understanding and Optimizing Docker’s daemon.json File

  16 Sep, 2024

  daemon.json controls how the Docker daemon behaves — logging drivers, storage drivers, registry mirrors, and the options worth tuning.