How to deploy to a single specific server using Capistrano

Question

I have a system in production that has several servers in several roles. I would like to test a new app server by deploying to that specific server, without having to redepl

Answer 1

The following should work out of the box:

cap HOSTS=app2.example.com ROLE=app deploy

If you want to deploy to >1 server with the same role:

cap HOSTS=app2.example.com,app3.example.com,app4.example.com ROLE=app deploy