From the course: DevOps Foundations: Infrastructure as Code

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VMs vs. containers

VMs vs. containers

From the course: DevOps Foundations: Infrastructure as Code

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VMs vs. containers

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- I don't get the big deal about containers. They're just slightly lighter Vms, right? The cloud already lets us spin up all the VMs we want dynamically. - Well, actually, that's true, but-- - [Speaker] VMs versus containers, fight. - Do you mind? Anyway, that's true. But servers, even cloud Vms, only come in fixed sizes, and are slow to build and provision. Containers build and run much more quickly, and use less overhead when they do. - Right, but that doesn't sound like that big of a deal. I only build my servers once, and then they're done. Who cares if it takes 10 minutes or one minute? - That's what I thought when I first had Docker explained to me, too. The operational benefits are there, but they're not super compelling when compared one to one with a VM. But it's not about one to one. Like with moving to cloud from data centers, it's the ability to use greater ephemerality that really makes the difference.…

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