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Production-focused Docker guides: container management, resource limits, Docker Compose orchestration, persistent storage, logging strategies, security hardening, image optimisation, and troubleshooting for containerised Linux server infrastructure.
Practical guidance and informed perspectives, grouped to help you move from a specific operational question to the relevant technical context.

It starts with a notification from your cloud provider: a monthly invoice that has ballooned by 40% overnight, completely out of sync with your revenue

Docker is straightforward to install and dangerous to run in production without deliberate configuration. Containers that lack resource limits will starve neighbouring services. Images built
Docker Containers›Docker Production Guide›Docker vs Virtual Machines Both Docker containers and virtual machines provide isolation, but they operate at completely different layers of the stack.
Docker Containers›Docker Production Guide›Docker Volumes Explained Docker provides three distinct storage mechanisms: named volumes (managed by Docker, stored in /var/lib/docker/volumes), bind mounts (host filesystem paths
Docker Containers›Docker Production Guide›Docker Security Risks Docker is not a security boundary. It is a resource isolation mechanism. Several common Docker configurations — privileged mode,
Docker Containers›Docker Production Guide›Docker Restart Policies Docker's restart policy controls what happens when a container exits: does it stay down, restart immediately, restart only after
Docker Containers›Docker Production Guide›Docker Resource Limits: CPU and Memory A container with no memory limit will consume all available host RAM before the Linux OOM
Docker Containers›Docker Production Guide›Docker Private Registry A private Docker registry stores container images that should not be publicly available — proprietary application code, internal tooling,
Docker Containers›Docker Production Guide›Docker Production Best Practices A Docker container that runs in development without issues will fail in production if the configuration is not
Docker Containers›Docker Production Guide›Docker Persistent Storage Running a database in Docker is straightforward; running it safely in production requires three specific decisions: where the data
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