[ros-users] [Discourse.ros.org] [General] Announcing ROS Docker Images for ARM and Debian

[ruffsl]

### Update:
arm32v7 images for kinetic and lunar have now just released. Although the upstream issues with ubuntu's cloud image for trusty remains [1], blocking older ROS distro tags that target 14.04 such as indigo, you can still at least use the latest LTS for ROS on your older arm targets, e.g Raspberry Pi 2.

```
$ docker run -it arm32v7/ros uname -a
Unable to find image 'arm32v7/ros:latest' locally
latest: Pulling from arm32v7/ros
93170abd0836: Pull complete 
...
Digest: sha256:8cac76fded9e3393bcf6c5605e074829780d1ad58029a0b1f58fd9a3ec23862c
Status: Downloaded newer image for arm32v7/ros:latest
Linux 4ed135bbaf79 4.11.3-041103-generic #201705251233 SMP
 Thu May 25 16:34:52 UTC 2017
 armv7l armv7l armv7l GNU/Linux
```

Additionally, the official docker library now natively support manifest lists [2]! So instead of previously: `docker pull trollin/ros`, you should now simply be able to: `docker pull ros` to download the same image architecture as is your docker host system. Although should you need to pull a foreign architecture, you can still do so by specifying as such the repo path: `docker pull arm32v7/ros`.

https://github.com/docker-library/official-images/issues/2289

[1] https://bugs.launchpad.net/cloud-images/+bug/1711735
[2] https://github.com/docker-library/official-images/issues/2289





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