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> Or do you mean it's the same in Fly.io? If it auto-detects Node.js (through package.json),

Indeed the docs[1] say Fly automatically detects a Node.js project, so you don't need to create a Dockerfile.

[1]: https://fly.io/docs/languages-and-frameworks/node/#launch-th...

> At this point, flyctl creates an app for you and writes your configuration to a fly.toml file. You'll then be prompted to build and deploy your app. Once complete, your app will be running on fly.

Well it still creates a fly.toml for you, which is still a new config file that I have to maintain across projects.

You update the toml file once (e.g if you have a release step), and then don't touch it again. Its more powerful than Heroku, so with that it gives you the option of adding additional config options.

I mean it even creates the basic file for you, I'm not sure what the issue is?

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