One of the really cool things about using the cloud, and especially juju, is that it instantly enables things that often times take a lot of thought to even try out in traditional environments. While I was developing some little PHP apps “back in the day”, I knew eventually they’d need to go to more than one server, but testing them for that meant, well, finding and configuring multiple servers. Even with VMs, I had to go allocate one and configure it. Oops, I’m out of time, throw it on one server, pray, move to next task.
This left a very serious question in my mind.. “When the time comes, will my app actually scale?”
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