The recommended installation method is to grab the latest disk image from here.
The tl;dr for installing Screenly OSE on Raspbian Lite is:
$ bash <(curl -sL https://www.screenly.io/install-ose.sh)
(The installation will take 15-20 minutes or so depending on your connectivity and the speed of your SD card.)
To learn more about Screenly, please visit the official website at Screenly.io.
Quick links:
Screenly OSE works on all Raspberry Pi versions, including Raspberry Pi Zero and Raspberry Pi 3 Model B.
To simplify development of the server module of Screenly OSE, we've created a Docker container. This is intended to run on your local machine with the Screenly OSE repository mounted as a volume.
Assuming you're in the source code repository, simply run:
$ docker run --rm -ti \
--name=screenly-dev \
-e 'LISTEN=0.0.0.0' \
-p 8080:8080 \
-v $(pwd):/home/pi/screenly \
screenly/ose-dev-server
nosetests --with-doctest