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even considering puppet etc things weren't this simple, the base image depends on the provider so you'd get variants depending on the kernel and glibc version,
by LoSboccacc 7y ago
even considering puppet etc things weren't this simple, the base image depends on the provider so you'd get variants depending on the kernel and glibc version, especially with openvz based host
now, on bare metal server and premium providers where you're able to specify the boot image that wouldn't have been a problem, but there are lot more people dealing with cheap housing giving you whatever image they baked last than people doing bare metal deployments and for the former docker is an order of magnitude easier to deploy