I've just published Holster 1.0.24 which is quite a major change, as signatures are now added per property rather than per node. Before making this change I was trying to debug a signature validation issue on a node, but there was too much data being signed to know what could've gone wrong.

This led to simplifying signatures to each property, which actually fixed a whole bunch of other problems in Holster. Signing a node means you always have to fetch the full node to update it even though you might only be updating one property. There were also timing issues around node updates that aren't a problem any more.

There were a few other recent releases too, including adding Docker support. See the updated README for how to start the server with either Docker or Node.