A demonstration to install Alpine ROS packages

This live demo was performed at ROSCon JP 2019 presentation!

FIXME: Currently, this demo is setup for Intel graphic accelerator.

Install Docker and docker-compose

Build Docker Image

$ cd cd neonavigation/alpine/
$ docker-compose build

Enable X11 access from Docker container
```
$ xhost +
```
Run the demonstration
```
$ docker-compose up
```

For comparizon, Ubuntu equivalent is placed under neonavigation/ubuntu/.