The enclosure design is a remix of thing:2084736, which doesn’t fit on my 120mm print bed. The redesigned panels are 3u, so technically they could be mounted in a eurorack case if the hardware is slim enough. Aside from changing the size, I also moved the i/o to the front, mounted fans, and designed a little rack for all the blades.
Currently they run Docker and a Cassandra cluster running on docker. Below is a link for a docker container built for raspberrypis.
The documents for that container don’t offer much, but the official Cassandra Docker readme fills in the blanks.