Kapistrano for deployment and (Mongrel or Passenger ... preferably the latter ... or if you have, FastCGI, although FastCGI is rather slow with Rails) for maintenance.
If you have a shared host, you will have to sell the version of Rails and all your gems, since you probably will not have access to install gems. Even if you did, you wonβt want Rails to collect old versions of things.
Ryanwilcox
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