The container exposes port 80 and the directory /data, where images in TIFF format are meant to be found.
In this preliminary version only one image name image.tif is to be shown.
Let us consider your image.tif is inside /path/to/data directory.
$ docker run --name visiomatic -v /path/to/data/image.tif:/app/image.tif -p 80:80 chbrandt/visiomatic
Now open in your browser http://localhost.