the other day i set up hot code upgrades (in a single node, production instance) with exrm and phoenix. it was a breeze and took about 30 minutes of reading and

the other day i set up hot code upgrades (in a single node, production instance) with exrm and phoenix. it was a breeze and took about 30 minutes of reading and setup. and now i can upgrade the backend while all the websocket connections stay running. so cool!