At this time I'm just trying to setup the simplest of apps where I click a button and that will send the most basic of transactions to my testrpc network. It's easy to do with JS and web3, but how can I do this with Ruby on Rails ?
There are many ways to connect with ethereum,
recently I used this coinfalcon
This help to you connect with ethereum, Here you can do:
1 IPC Client Connection 2 Solidity contract compilation and deployment 3 Transacting and Calling Solidity Functions