Docker baseimage for armbian


Sergio Inacio
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Armbian is a community driven open source project. Do you like to contribute your code?

 

In the Armbian build environment there is a Dockerfile. It is in the lib directory. This can be used to build your Armbian docker container.

 

FROM ubuntu:16.04
RUN apt-get update
RUN apt-get install -y git build-essential binutils
WORKDIR /root
RUN git clone https://github.com/igorpecovnik/lib/
RUN cp lib/compile.sh .

 

 

Start it with ( don’t forget the point )

docker build -t armbian_dev .

 

It will create a image named armbian_dev. The name can be of your choise.  
you can see this image with this command:

docker images

 

Run a container with this image:

 

docker run -t -i armbian_dev

 

You can find the lib directory in /root in the container.

 

If you want a more clever solution (like no storage limits with the container) with the building environment outside the container you should do something like this:

 

docker run -v /bigdisk/DOCKER/ARMBIAN:/mnt/DEVELOP -t -i armbian_dev

 

bigdisk/DOCKER/ARMBIAN sloud be your local disk. /mnt/DEVELOP will be made in the container.

 

In this example docker container you only can build kernels, no complete file systems. This is more compilcated.

I run docker in a Centos 6 enviroment.

 

First time you use this container it will have to download toolchains, sources, etc. You maybe have to hit enter somewhere in this process. If you need to edit files in the container don't forget to install vim or nano in the container.

apt-get install vim
apt-get install nano

 

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Ok. So I answered a not asked question. Well it was a nice roundup for myself to.

 

Maybe you could point out what your question is?

 

- Do you want to use Docker on an Arm based board?

- Do you want something else?

 

I think you can find  information on this forum about Arm and Docker.

See this post:

https://forum.armbian.com/index.php?/topic/1328-docker-on-h3-armbian/

 

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Still don't know what Sergio is asking. Could it be that he would like to run Docker on his bpi (Banana Pi)?

Should be because it is not building Armbian with the use of a docker image.

 

So lets give it a try and answer that question.

 

You need a decent image to start with. Should be one with the mainline kernel. So download it form the download page:

https://www.armbian.com/banana-pi/

 

Or build it yourself. And yes, you could use docker for the Armbian build enviroment.

 

Then install docker:

 

curl -sSL get.docker.com | sh

 

That's all. Docker gets installed:

 

+ sh -c apt-get update
Hit:1 http://ports.ubuntu.com xenial InRelease
Get:2 http://ftp.de.debian.org/debian sid InRelease [255 kB]
Hit:3 http://apt.armbian.com xenial InRelease
<cut>
.......
.......
</cut>
+ sh -c docker version
Client:
 Version:      17.06.0-ce
 API version:  1.30
 Go version:   go1.8.3
 Git commit:   02c1d87
 Built:        Fri Jun 23 21:26:33 2017
 OS/Arch:      linux/arm

Server:
 Version:      17.06.0-ce
 API version:  1.30 (minimum version 1.12)
 Go version:   go1.8.3
 Git commit:   02c1d87
 Built:        Fri Jun 23 21:20:51 2017
 OS/Arch:      linux/arm
 Experimental: false

If you would like to use Docker as a non-root user, you should now consider
adding your user to the "docker" group with something like:

  sudo usermod -aG docker your-user

Remember that you will have to log out and back in for this to take effect!

WARNING: Adding a user to the "docker" group will grant the ability to run
         containers which can be used to obtain root privileges on the
         docker host.
         Refer to https://docs.docker.com/engine/security/security/#docker-daemon-attack-surface
         for more information.

 

Just to get network, etc alright I rebooted. There now will be a docker interface docker0

 

docker0   Link encap:Ethernet  HWaddr 02:42:0f:2d:33:93
          inet addr:172.17.0.1  Bcast:0.0.0.0  Mask:255.255.0.0
          inet6 addr: fe80::42:fff:fe2d:3393/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10097 errors:0 dropped:0 overruns:0 frame:0
          TX packets:17940 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:559538 (559.5 KB)  TX bytes:27093441 (27.0 MB)

 

You can now run docker, f.i. by downloading a arm ubuntu image:

 

docker pull arm32v7/ubuntu

 

You can now start a container:

 

docker run -dit arm32v7/ubuntu

 

See the running container.

 

root@macippi:~# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
05b38d77cee3        arm32v7/ubuntu      "/bin/bash"         12 minutes ago      Up 12 minutes                           dreamy_lewin

Connect to a container:

 

root@macippi:~# docker attach 05b38d77cee3
root@05b38d77cee3:/#

( you need to hit enter after the attach command.)

 

Play with your container:

 

apt-get update
.....
apt-get install lynx
.......
lynx www.armbian.com
#                                                                                                        armbian - linux for ARM development boards (p1 of 2)
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This is tested on an Orange Pi One

 

Is this what you where looking for Sergio?

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On 7/1/2017 at 6:41 AM, Sergio Inacio said:

You are right zador, when i tried it breaks because the ubuntu:16.04 it is not for arm.

search the docker registry for armhf   then youll find ubuntu and alpine containers to base your builds on.     ioft/armhf-ubuntu:xenial  is one i use a lot

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