Ditch Docker? Explore systemd-nspawn Container Technology

2025-02-21

This article introduces systemd-nspawn, a secure and easily configurable container manager that allows running a full operating system or a command within a directory tree. Compared to chroot, it offers enhanced security and OCI compliance. The article details multiple methods for creating and managing containers with systemd-nspawn, including using Docker export, debootstrap, mkosi, and machinectl commands. The author advocates for reducing reliance on Docker and encourages exploring lower-level, more flexible container technologies.

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