Title: I&#x27;m hearing about Docker every other day, but when I look into it, I don&#x27;t understand the purpose of it.<p>I run many websites&#x2F;applications that need isolation from each other on a single server, but I just use the pretty-standard OpenVZ containers to deal with that (yes I know I could use KVM servers instead, but I haven&#x27;t ran into any issues with VZ so far).<p>What&#x27;s the difference between Docker and normal virtualization technology (OpenVZ&#x2F;KVM)? Are there any good examples of when and where to use Docker over something like OpenVZ?
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