Docker Kernel for Sony pdx206

A Docker compatible Android kernel for Sony Xperia 5 II (pdx206).

可透過Termux於Android手機原生執行Docker容器的Sony Xperia 5 II核心。

This kernel adds supports for running Docker containers on Android. binfmt module is also included. It is based on LineageOS kernel for sm8250

Usage

Tested on LineageOS 20. A prebuilt boot.img is available at Releases.

1. Flash the boot.img to boot partition

fastboot flash boot boot.img

2. Install Docker in Termux

pkg install root-repo
pkg install docker docker-compose

3. Mount cgroups

sudo mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup

4. Start docker daemon

sudo dockerd --iptables=false

5. Test running

sudo docker run hello-world

6. You can also enable binfmt to run x86 docker images on ARM.

su
mount binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc
echo 1 > /proc/sys/fs/binfmt_misc/status

Compliation Guide

Please refer to LineageOS Wiki to learn how to build LineageOS ROM for your device.

The configuration for running docker is already written in pdx206_defconfig.

To build kernel only, run:

source build/envsetup.sh
breakfast pdx206
export ARCH=arm64
make clean
mka bootimage

See also

Freddie Oliveira's Tutorial of running Docker on Android

[Root] Running Docker containers and Flatpak apps on Android phone with Termux