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Reading / 2026-05/2026-05-04t231858-how-container-filesystem-works-building-a-docker-like

How Container Filesystem Works: Building a Docker-like Container From Scratch

Walks through assembling a Docker-like container from scratch using only Linux tools — unshare, mount, and pivot_root — to show how mount namespaces, mount propagation, and root filesystem isolation actually work under the hood.

May 04, 2026 · tech · Ivan Velichko, iximiuz Labs

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Topics

  • distributed-systems
  • systems-design
  • software-engineering
  • kubernetes
  • production-systems

Cited by

  • Distributed systems

    Distributed systems problems — coordination, state management, failure recovery, and observability — recur across cloud infrastructure, durable execution, multi-agent AI, and formal verification research.

  • Kubernetes

    Kubernetes is the dominant container orchestration platform, providing the runtime foundation for modern cloud-native infrastructure, developer platforms, and AI inference workloads.

  • Production systems

    The engineering decisions that determine how software behaves under real load, covering durability, observability, testing discipline, performance constraints, and the operational costs of failure.

  • Software engineering

    Software engineering spans craft, process, and judgment — how code is structured, tested, reviewed, deployed, and maintained — and the sources collected here collectively interrogate each layer as AI tooling reshapes who does what and why.

  • Systems design

    Systems design spans how components are structured, isolated, and coordinated to handle real-world complexity, covering tradeoffs in state management, failure recovery, module boundaries, and the diagrams used to communicate it all.

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