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bootc

Transactional, in-place operating system updates using OCI/Docker container images.

Motivation

The original Docker container model of using "layers" to model applications has been extremely successful. This project aims to apply the same technique for bootable host systems - using standard OCI/Docker containers as a transport and delivery format for base operating system updates.

The container image includes a Linux kernel (in e.g. /usr/lib/modules), which is used to boot. At runtime on a target system, the base userspace is not itself running in a container by default. For example, assuming systemd is in use, systemd acts as pid1 as usual - there's no "outer" process.

More information

See the project documentation.

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Boot and upgrade via container images

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