Introducing Hammock Core

2 minute read

The TL;DR; of it, is I’ve just released an open source .NET Core Client for CouchDB called Hammock. It’s on Nuget as Hammock.Core and ready for your relaxing document storage needs.

The longer story….

Many years ago I was playing with a lot of NoSQL database options for a couple of projects, and the one that suited my needs best at the time was CouchDB.

There was a great client library called Hammock (or relax-net) by Nick Nystrom that, while looking somewhat abandoned, did the job really well.

With Google Code going into mothballs, I grabbed a copy of the source just in case and put it onto GitHub.

Recently I needed to port one of the services I use CouchDB with to .NET Core and realised the dependency I had on Hammock. Given there aren’t any other good Couch .NET Core clients around, I figured it would be a fun exercise to port the library and publish it.

Porting the code was simple, there are a few method overloads that crossed into System.Web territory which I’ve ommitted. But that process was pretty smooth.

Porting tests took a little longer, because I ported from NUnit to XUnit at the same time. There’s a little bit of cleanup left there to do in the Assertion syntax, but it works.

The next thing I needed was to create a build pipeline. I’m pretty committed to Docker for all things build and deployment these days so there was a bit of work to do there. Mainly because all the tests require a CouchDB instance to run against.

Docker is perfect for that as I can spin one up as part of the build process. Getting it all to work was a little fiddly though, and something I’ll probably write another post about. There really doesn’t seem to be much published about building, testing, and publishing .NET / Nuget packages in Docker.

As for the project itself, with Nick’s blessing I am now the official maintainer of it. I need to write a little bit more documentation for it and there are a few small things I’d like to change. Honestly I’m not sure how much of a market there is for CouchDB in .NET, but it was an interesting exercise and I figured I’d put it out there and see what happens.

If running CouchDB with .NET Core is something that’s interesting to you, please get in touch, I’d love to have a chat.

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