Docker Compose vs Docker Swarm: When "Good Enough" Beats "Enterprise"
Docker Compose vs Docker Swarm: a practical guide to choosing the right tool. Learn when simple orchestration beats enterprise complexity, with real examples.
Tag: devops
All the articles with the tag "devops".
Docker Compose Profiles: Run Only What You Need
Profiles let you conditionally start services in Compose. Perfect for dev vs prod service splits without multiple files.
Why the `latest` Docker Tag Is Lying to You
latest doesn't mean newest. Learn why pinning versions and digests matter for reproducible deployments.
Docker Healthcheck Patterns That Actually Work
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
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
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
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
daemon.json controls how the Docker daemon behaves, logging drivers, storage drivers, registry mirrors, and the options worth tuning.
Optimize Ubuntu Logs: btmp Log Rotation
btmp logs failed logins and grows forever on internet-facing servers. Set up logrotate to keep it under control before your disk fills up.
Ansible: Task and Role Inclusions for Efficient Automation
Stop copy-pasting Ansible tasks across playbooks, use include_tasks, import_tasks, and roles to keep your automation DRY and maintainable.
Docker Networking Essential Guide for All Skill Levels
Bridge, host, overlay, macvlan, and none, every Docker network mode explained with real use cases from beginner to production.
Understanding CMD and ENTRYPOINT in Dockerfiles
CMD and ENTRYPOINT both define what runs in a container but work differently, exec vs shell form, and how they interact when combined.