问HN：最便宜的后端托管方式是什么？
我正在帮助将一个移动应用转交给一个慈善机构，需要尽可能便宜地托管API。我并不期望它会大规模扩展，但必须有一定的可扩展性。初期的投入可以大一些，但重要的是运行成本。理想情况下，它应该是低维护的，代码库上不会有太多开发。这个项目使用的是Node.js和PostgreSQL。
目前我们在AWS上，费用非常高，我在考虑转到Vercel，但无法准确估算在相同性能下的费用。
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I'm about to help transitioning a mobile app to a charity and need the API to be hosted as cheaply as possible. I don't expect it to scale super big, but there has to be some level of scalability. Initial effort can be bigger, what's important are the running costs. Ideally it should be low maintenance, not a lot of development is going to happen on the code base. It's nodejs with postgres.<p>Right now we're on AWS which is crazy expensive, and I'm thinking about going to vercel but can't really estimate how much it will be with equal performance.