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Very true, but doesn't that make this basically a cost-benefit calculation, with risk-of-malicious-code vs. risk-of-reinventing-the-wheel(badly)? I assume the critics would say that container tooling makes it easier for reckless amateurs to put things up when they otherwise might not have managed to deploy at all without them...

> basically a cost-benefit calculation

Absolutely. There are some famously settled issues - don't write your own crypto, you'll screw it up, do write your own user tracking, third parties will inevitably farm data - but generally there's a decision to be made. And it's not the same answer for everybody; there's a reason Google and Facebook do in-house authentication services, which everyone else borrows.

I've seen the "containers let clueless people go live" claim before, but I'm not really convinced. Containerization offers most of its returns when we talk about scaling, rapid deployment, and multiple applications. If you just want to put up an insecure REST service with no authentication, it seems at least as easy to coax some .NET or Java servlet horror online without any containerization at all.

The examples in the article of containerized learning environments are a bit of a different case, granted. A space specifically designed to let stranger spin up new instances and run untrusted code would usually take a fair bit of thought, but containers have made it much easier to do without any foresight.

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