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A tiny container runtime written in Rust. The idea is to support a minimal isolated containers without using existing runtimes.

Feature Description State
Chroot Change the root directory ✅
Mounts Mount files and directories to container ✅
Namespaces Isolation of various resources ✅
Cgroups v2 Resource limitations, etc TODO
Hooks Add custom processing during container creation TODO

Usage

container-run 

USAGE:
    container run --fsroot <FSROOT> <APP> [ARGUMENTS]...

ARGS:
    <APP>             Specify the path to the application to run
    <ARGUMENTS>...    Arguments to be passed to the app

OPTIONS:
    -f, --fsroot <FSROOT>    Specify the root directory path
    -h, --help               Print help information

Create and run a container

$ mkdir alpine-rootfs
# use docker to export alpine into the rootfs directory
$ docker export $(docker create alpine) | tar -C alpine-rootfs -xvf -

Then you can run applications inside the container:

cargo build && sudo ./target/debug/container run -f alpine-rootfs sh