Tag: docker
All the articles with the tag "docker".
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Restart Policies and Process Supervision
restart: unless-stopped vs always, systemd integration, and keeping containers alive without an orchestrator.
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What Happens When You Run docker run
The mental model behind Docker images, containers, and layers — what actually happens from command to running process, and why understanding the lifecycle matters for everything else.
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Basic Security Hardening for Docker
Non-root users, read-only filesystems, dropped capabilities, and secrets management — the baseline security measures every Docker deployment should have.
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Tagging and Pushing Images Without the Mess
Tag strategies, registry basics, and multi-arch builds — shipping Docker images with a system instead of ad-hoc names.
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Docker Volumes and Bind Mounts
Named volumes, bind mounts, and tmpfs — how Docker handles persistence, when to use each, and the permission problems that catch everyone.
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Choosing a Container Orchestrator: A Decision Framework
Docker Swarm, Kubernetes, k3s, Nomad, ECS, Cloud Run, Fly.io — when each makes sense, a decision matrix by team size and workload, and the business cases where each wins.