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I was surprised i didn't see it mentioned in the post. VM-style isolation is there for a reason. Dunno if Docker is the wave of the future, but as a Heroku(AWS?
by twelve40 12y ago
I was surprised i didn't see it mentioned in the post. VM-style isolation is there for a reason. Dunno if Docker is the wave of the future, but as a Heroku(AWS?) killer would be nice to learn how sharing all this performance goodness on the same system is resolved isolation-wise.
- shykes 12y agoDocker and Heroku use the exact same sandboxing technology under the hood (Linux namespaces and cgroups). This is not surprising since Docker came out of Dotcloud, a direct Heroku competitor. The pros and cons of linux namespaces have been extensively discussed, it's no silver bullet but when used properly is quite robust and is rapidly gaining industry recognition.