Dock Droid

Docker Android - Run QEMU Android in a Docker! X11 Forwarding! CI/CD for Android!
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Dock-Droid · Follow @sickcodes on Twitter

Running Android x86 & Android ARM in a Docker container

Docker Android - Run QEMU Android x86 and Android ARM in a Docker! X11 Forwarding! CI/CD for Android!


  • Security Research of ARM apps on x86!
  • ADB on port :5555
  • Magisk, riru, LSPosed on Android x86
  • SSH enabled (localhost:50922)
  • SCRCPY enabled (localhost:5555)
  • WebCam forwarding enabled (/dev/video0)
  • Audio forwarding enabled (/dev/snd)
  • GPU passthrough (/dev/dri)
  • X11 forwarding is enabled
  • runs on top of QEMU + KVM
  • supports BlissOS, custom images, VDI files, any Android x86 image, Xvfb headless mode
  • you can clone your container with docker commit


This project is maintained by @sickcodes Sick.Codes. (Twitter)

Additional credits can be found here:

Epic thanks to @BlissRoms who maintain absolutely incredible Android x86 images. If you love their images, consider donating to the project:!

Special thanks to @zhouziyang who maintains an even more native fork Redroid!

This project is heavily based on Docker-OSX: sickcodes/Docker-OSX


  • Next Generation Anbox Style LXC:


  • Android in a Docker using BlissOS:


  • binder(fs) and ashmem for use in anbox related 5.7+ Kernel distribuitons (soon to be all):



  • 4GB disk space for bare minimum installation
  • virtualization should be enabled in your BIOS settings
  • a kvm-capable host (not required, but slow otherwise)

Initial setup

Before you do anything else, you will need to turn on hardware virtualization in your BIOS. Precisely how will depend on your particular machine (and BIOS), but it should be straightforward.

Then, you'll need QEMU and some other dependencies on your host:

sudo pacman -S qemu libvirt dnsmasq virt-manager bridge-utils flex bison iptables-nft edk2-ovmf

sudo apt install qemu qemu-kvm libvirt-clients libvirt-daemon-system bridge-utils virt-manager

sudo yum install libvirt qemu-kvm

Then, enable libvirt and load the KVM kernel module:

sudo systemctl enable --now libvirtd
sudo systemctl enable --now virtlogd

echo 1 | sudo tee /sys/module/kvm/parameters/ignore_msrs

sudo modprobe kvm

Quick Start Dock-Droid

You can run the Live OS image, or install to disk.

Connect to the WiFi network called VirtWifi.

BlissOS x86 Image

docker run -it \
    --device /dev/kvm \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -p 5555:5555 \

Headlessly (on a server, or locally)

docker run -it \
    --device /dev/kvm \
    -e EXTRA="-display none -vnc,password=on" \
    -p 5555:5555 \
    -p 5999:5999 \

For headless, in the QEMU console, type change vnc password user

And then connect on localhost:5999, or the server IP, or Docker IP.

No Image (:naked)

docker run -it \
    --device /dev/kvm \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -v "${PWD}/android.qcow2:/home/arch/dock-droid/android.qcow2" \
    -p 5555:5555 \

Run without KVM (Work in Progress)

This will boot, but currently does not "work".

Change CPU to Penryn, which is normally host

Change ENABLE_KVM, which is normally -enable-kvm

Change KVM, which is normally accel=kvm:tcg

Change CPUID_FLAGS, which is normally very long.

# use a spacebar in quotes
-e CPU=qemu64 \
-e ENABLE_KVM=' ' \
-e KVM=' ' \
-e CPUID_FLAGS=' ' \

For example (Work in Progress):

docker run -it \
    -e CPU=Penryn \
    -e ENABLE_KVM=' ' \
    -e KVM=' ' \
    -e CPUID_FLAGS=' ' \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -p 5555:5555 \

Increase RAM

Increase RAM by adding this line: -e RAM=10 \ for 10GB.

Docker Virtual Machine WebCam

Android WebCam Passthrough SPICE USBREDIR QEMU Android x86

Want to use your Laptop/USB WebCam and Audio too?

There are two options: usb passthrough, or usb redirect (network).

v4l2-ctl --list-devices


Find the hostbus and hostaddr:

Bus 003 Device 003: ID 13d3:56a2 IMC Networks USB2.0 HD UVC WebCam

Would be -device usb-host,hostbus=3,hostaddr=3

Passthrough Android Camera over USB

docker run -it \
    --device /dev/kvm \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -p 5555:5555 \
    -e EXTRA='-device usb-host,hostbus=3,hostaddr=3' \

Passthrough Android WebCam Camera over the Network!

# Bus 003 Device 003: ID 13d3:56a2 IMC Networks USB2.0 HD UVC WebCam

Vendor ID is 13d3 Product ID is 56a2

In one Terminal on host:

sudo usbredirserver -p 7700 13d3:56a2

In another Terminal on host:

# is the IP of the Docker Bridge, usually the host, but you can change this to anything.

docker run -it \
    --device /dev/kvm \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -p 5555:5555 \
    -e EXTRA="-chardev socket,id=usbredirchardev1,port=${PORT},host=${IP_ADDRESS} -device usb-redir,chardev=usbredirchardev1,id=usbredirdev1,bus=ehci.0,debug=4" \

Android x86 Docker GPU & Hardware Acceleration

Currently in development by BlissOS team: mesa graphics card + OpenGL3.2.

Want to use SwiftShader acceleration?

docker run -it \
    --privileged \
    --device /dev/kvm \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -p 5555:5555 \
    -p 50922:10022 \
    --device=/dev/dri \
    --group-add video \
    -e EXTRA='-display sdl,gl=on' \

Use your own image/naked version

# get container name from 
docker ps -a

# copy out the image
docker cp container_name:/home/arch/dock-droid/android.qcow2 .

Use any generic ISO or use your own Android AOSP raw image or qcow2

Where, "${PWD}/disk.qcow2" is your image in the host system.

docker run -it \
    -v "${PWD}/android.qcow2:/home/arch/dock-droid/android.qcow2" \
    --privileged \
    --device /dev/kvm \
    --device /dev/video0 \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -p 5555:5555 \
    -p 50922:10022 \
    -e EXTRA='-device usb-host,hostbus=3,hostaddr=3' \


Add the following: -bios /usr/share/OVMF/x64/OVMF.fd \ to

Or as a docker run argument:


docker run -it \
    --device /dev/kvm \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -p 5555:5555 \
    -e EXTRA='-bios /usr/share/OVMF/x64/OVMF.fd' \

Custom Build

To use an alternative CDROM, you have two choices: runtime or buildtime.

You can add your image to the Dockerfile during the build:


docker build \
    -t dock-droid-custom \

OR you can add it during runtime to the docker hub images as follows.

    -v "${CDROM}:/cdrom" \
    -e CDROM=/cdrom \

For example:

# full path to your image on the host

docker run -it \
    --device /dev/kvm \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -p 5555:5555 \
    -v "${CDROM}:/cdrom" \
    -e CDROM=/cdrom \


-boot d will force QEMU to boot from the CDROM.

-e EXTRA='-boot d ' \

Naked Container

Reduces the image size by 600Mb if you are using a local directory disk image:

docker cp  image_name /home/arch/dock-droid/android.qcow2 .

Modifying the Android filesystem.

The following groups of commands is for editing android.qcow2.

First, we will mount the main qcow2 file using libguestfstools

Then, inside that qcow2 image, there are: system.img ramdisk.img

GRUB is also in there.

Mount the qcow2 using:

# on the host
# enable qemu-nbd for network device mounting
# wget -O android.qcow2

sudo modprobe nbd
sudo qemu-nbd --connect=/dev/nbd0 android.qcow2 -f qcow2
sudo fdisk /dev/nbd0 -l
mkdir -p /tmp/image
sudo mount /dev/nbd0p1 /tmp/image

Now you can mount the internal disks in other places...

# make a folder to mount the whole resizable image 
# make another to mount the raw Android image within that resizable image.
mkdir -p /tmp/system
sudo mount /tmp/image/bliss-x86-11.13/system.img /tmp/system

ls /tmp/system
ls /tmp/image/bliss-x86-11.13
# don't forget to unmount

Swap from Houdini to ndk_translation Android x86

Extract the native-bridge using the following: sickcodes/Droid-NDK-Extractor

Thanks to Frank from Redroid for the idea!

# warning, this will extract overwriting /etc/system/... so make sure you're in /tmp
cd /tmp \
    && sudo wget \
    && sudo tar -xzvf native-bridge.tar.gz \
    && sudo rm native-bridge.tar.gz

sudo touch /tmp/system/vendor/etc/init/nativebridge.rc
sudo tee /tmp/system/vendor/etc/init/nativebridge.rc <<EOF
on early-init
    setprop ro.product.cpu.abilist x86_64,arm64-v8a,x86,armeabi-v7a,armeabi
    setprop ro.product.cpu.abilist64 x86_64,arm64-v8a
    setprop ro.product.cpu.abilist32 x86,armeabi-v7a,armeabi
    setprop ro.dalvik.vm.isa.arm x86
    setprop ro.dalvik.vm.isa.arm64 x86_64
    setprop ro.enable.native.bridge.exec 1
    setprop ro.dalvik.vm.native.bridge
    setprop ro.ndk_translation.version 0.2.2

# # Enable native bridge for target executables
# on early-init
#     mount binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc

# on property:ro.enable.native.bridge.exec=1
#     copy /system/etc/binfmt_misc/arm_exe /proc/sys/fs/binfmt_misc/register
#     copy /system/etc/binfmt_misc/arm_dyn /proc/sys/fs/binfmt_misc/register

# on property:ro.enable.native.bridge.exec64=1
#     copy /system/etc/binfmt_misc/arm64_exe /proc/sys/fs/binfmt_misc/register
#     copy /system/etc/binfmt_misc/arm64_dyn /proc/sys/fs/binfmt_misc/register

# add armeabi
sudo sed -i -e 's/abilist32\=x86\,armeabi\-v7a/abilist32\=x86\,armeabi\-v7a\,armeabi/g' /tmp/system/vendor/build.prop
sudo sed -i -e 's/abilist\=x86_64\,x86\,arm64\-v8a\,armeabi\-v7a/abilist\=x86_64\,x86\,arm64\-v8a\,armeabi\-v7a\,armeabi/g' /tmp/system/vendor/build.prop

sudo rm /tmp/system/bin/enable_nativebridge \
    /tmp/system/etc/binfmt_misc/arm_exe \
    /tmp/system/etc/binfmt_misc/arm64_dyn \
    /tmp/system/etc/binfmt_misc/arm_dyn \

sudo rm /tmp/system/vendor/etc/binfmt_misc/*

sudo rm /tmp/system/etc/init/houdini.rc

sudo tee -a /tmp/system/product/build.prop \
    -a /tmp/system/vendor/build.prop \
    -a /tmp/system/build.prop <<EOF

# also swap libhoudini to libndk_translation in the ramdisk
mkdir -p /tmp/ramdisk
sudo /bin/bash -c "cd /tmp/ramdisk \
    && zcat /tmp/image/bliss-x86-11.13/ramdisk.img \
    | cpio -iud"

sed -i -e 's/libhoudini/libndk_translation/g' /tmp/ramdisk/default.prop
touch /tmp/image/bliss-x86-11.13/ramdisk.img
find . | cpio -o -H newc | gzip > /tmp/
mv /tmp/ /tmp/image/bliss-x86-11.13/ramdisk.img

# sudo tee -a /tmp/system/build.prop <<'EOF'
# ro.product.cpu.abilist=x86_64,arm64-v8a,x86,armeabi-v7a,armeabi
# ro.product.cpu.abilist32=x86,armeabi-v7a,armeabi
# ro.ndk_translation.version=0.2.2

# don't forget to unmount

Install Magisk using by @axonasif

Inside the ramdisk.img, we would like to overwrite init with rusty-magisk

mkdir -p /tmp/ramdisk

sudo /bin/bash -c "
cd /tmp/ramdisk
zcat /tmp/image/bliss-x86-11.13/ramdisk.img | cpio -iud && mv /tmp/ramdisk/init /tmp/ramdisk/init.real

wget -O /tmp/ramdisk/init 

chmod a+x /tmp/ramdisk/init
touch /tmp/image/bliss-x86-11.13/ramdisk.img
/bin/bash -c 'find . | cpio -o -H newc | sudo gzip > /tmp/image/bliss-x86-11.13/ramdisk.img'
sudo rm -rf /tmp/ramdisk
# don't forget to unmount

During the next boot you will have Magisk installed.

Add secure ADB keys.

# generate keys if you don't have already
adb keygen ~/.android/"${KEYNAME}"
touch ~/.android/"${KEYNAME}.pub"
adb pubkey ~/.android/"${KEYNAME}" > ~/.android/"${KEYNAME}.pub"

# put some keys in the box and copy to your host ~/.android folder
mkdir -p /tmp/image/bliss-x86-11.13/data/.android
mkdir -p /tmp/image/bliss-x86-11.13/data/misc/adb
tee /tmp/image/bliss-x86-11.13/data/misc/adb/adb_keys < ~/.android/"${KEYNAME}.pub"
# don't forget to unmount

Unmount when finished

After completing any of the above automation, you need to unmount the disk.

# sudo mount /tmp/image/bliss-x86-11.13/ramdisk.img /tmp/ramdisk
# unmount both disks when you're done
sudo umount /tmp/ramdisk
sudo umount /tmp/system
sudo umount /tmp/image
sudo qemu-nbd -d /dev/nbd0

Use Frida (latest)

# choose a version from
# use arm if you're debugging arm apps, via houdini or native bridge (ndk)

FRIDA_RELEASES=($(curl | grep -Po "(?<=\<a\ href\=\")(\/frida\/frida\/releases\/download\/\d+\.\d.\d+\/${FRIDA_RELEASE}-\d+\.\d+.\d+-${GUEST_SYS}-${HOST_ARCH}.xz)(?=\"\ )"))


mkdir -p ./frida
cd ./frida

wget "${RELEASE_LINK}"
unxz -d "$(basename "${RELEASE_LINK}")"
find -name "${FRIDA_RELEASE}-*.*.*-${GUEST_SYS}-${HOST_ARCH}" | xargs -i mv "{}" frida-server

adb -s localhost:5555 push frida-server /data/local/tmp/frida-server
adb -s localhost:5555 shell "su -c chmod 755 /data/local/tmp/frida-server"
adb -s localhost:5555 shell "/data/local/tmp/frida-server"

Misc Optimizations

Great list by @eladkarako

Run adb/start adbd

Boot the container.

Open Terminal Emulator in the Android:

# on android
start adbd

# setprop persist.adb.tcp.port 5555

Connect to the virtual WiFi inside Android!

Now, from the host, use the new key to adb into the guest:

# on the host
export ADB_VENDOR_KEYS=~/.android/adbkey
adb kill-server
adb connect localhost
adb -s localhost:5555 root
adb -s localhost:5555 shell

In the Android terminal emulator, run adbd

Then from the host, you can can connect using either: adb connect localhost:5555

adb connect

If you have more than "one emulator" you may have to use:

adb -s localhost:5555 shell

adb -s shell


sed -i -e 's/ro\.adb\.secure\=1/ro\.adb\.secure\=0/' /default.prop

In the Android terminal emulator, run adbd

Then from the host, you can can connect using either: adb connect localhost:5555

adb connect

Professional support

For more sophisticated endeavours, we offer the following support services:

  • Enterprise support, business support, or casual support.
  • Custom images, custom scripts, consulting (per hour available!)
  • One-on-one conversations with you or your development team.

In case you're interested, contact @sickcodes on Twitter or submit a contact form here.

How to Install Bliss OS


dock-droid is licensed under the GPL v3+, also known as the GPL v3 or later License. Contributions are welcomed and immensely appreciated.

Don't be shy, the GPLv3+ allows you to use Dock-Droid as a tool to create proprietary software, as long as you follow any other license within the software.


This is a Dockerized Android setup/tutorial for conducting Android Security Research.

Product names, logos, brands and other trademarks referred to within this project are the property of their respective trademark holders. These trademark holders are not affiliated with our repository in any capacity. They do not sponsor or endorse this project in any way.

Other cool Docker/QEMU based projects

Passthrough your WebCam to the Android container.

Identify your webcam:

lsusb | grep -i cam
Bus 003 Device 003: ID 13d3:56a2 IMC Networks USB2.0 HD UVC WebCam

Using Bus and Device as hostbus and hostaddr, include the following docker command:

VFIO Passthrough

Waiting for public mesa builds:

When these hardware accelerated images are released, you can follow the Issue opened by: @M1cha


the online documentation for that is very bad and mostly outdated(due to kernel and qemu updates). But here's some references that helped me set it up several times:

the general summary:

* make sure your hardware supports VT-d/AMD-VI and UEFI and linux have it enabled

* figure out which devices are in the same iommu group

* detach all drivers from those devices

* attach vfio-pci to those devices

Add the following lines when you are ready:

    --privileged \
    -e EXTRA="-device vfio-pci,host=04:00.0' \

GPU Sharing

Work in progress

sudo tee -a /etc/libvirt/qemu.conf <<'EOF'
cgroup_device_acl = [
    "/dev/null", "/dev/full", "/dev/zero",
    "/dev/random", "/dev/urandom",
    "/dev/ptmx", "/dev/kvm",

# --device /dev/video0 \
# --device /dev/video1 \

grep "video\|render" /etc/group

# render❌989:
# video❌986:sddm

sudo usermod -aG video "${USER}"

sudo systemctl restart libvirtd

docker run -it \
    -v "${PWD}/android.qcow2:/home/arch/dock-droid/android.qcow2" \
    --privileged \
    --device /dev/kvm \
    --device /dev/video1 \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    -e "DISPLAY=${DISPLAY:-:0.0}" \
    -p 5555:5555 \
    -p 50922:10022 \
    --user 1000:1000 \
    --group-add=966 \
    --group-add=989 \
    --device /dev/dri/renderD128:/dev/dri/renderD128 \
    --device /dev/dri/card0:/dev/dri/card0 \
    --device /dev/dri/card1:/dev/dri/card1 \

# pick which graphics card
# --device /dev/dri/card0:/dev/dri/card0 \

Convert BlissOS Virtual Box to Dock-Droid

qemu-img convert -f vdi -O qcow2 BlissOS.vdi android.qcow2

Building a headless container to run remotely with secure VNC

Add the following line:

-e EXTRA="-display none -vnc,password=on"

In the Docker terminal, press enter until you see (qemu).

Type change vnc password someusername

Enter a password for your new vnc username^.

You also need the container IP: docker inspect <containerid> | jq -r '.[0].NetworkSettings.IPAddress'

Or ip n will usually show the container IP first.

Now VNC connect using the Docker container IP, for example

Remote VNC over SSH: ssh -N [email protected] -L 5999:, where is your remote server IP and is your LAN container IP.

Now you can direct connect VNC to any container built with this command!

BlissOS Image Builder Using Platform Manifests

This requires 250GB of REAL space.

This was previously at ./build, but due to Docker Hub using the wrong file, I have added these instructions below:

Make and add a non-root user

useradd "${USERADD}" -p "${USERADD}"
tee -a /etc/sudoers <<< "${USERADD} ALL=(ALL) NOPASSWD: ALL"
mkdir -p "/home/${USERADD}"
chown "${USERADD}:${USERADD}" "/home/${USERADD}"

# passwd user <<EOF
# 1000
# 1000

chsh -s /bin/bash "${USERADD}"

usermod -aG docker "${USERADD}"

su user


# create a persistent folder on the host for building stuff
mkdir "${BUILD_DIRECTORY}/blissos-r36"

cd "${BUILD_DIRECTORY}/blissos-r36"


docker build -t blissos-builder .

docker run -it \
    -e REVISION=r11-r36 \
    -v "${BUILD_DIRECTORY}/blissos-r36:/blissos-r36" \

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