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Comment by vram22 | Hacker News Reader

From https://luckyframework.org/guides/installing/

  >To get Lucky, you need to install these first.
  >Install one of these process managers: Overmind (recommended), Heroku CLI (great if you plan to use Heroku to deploy), forego, or foreman.
  >Node. Requires at least v6
  >Yarn
  >Crystal. Requires at least v0.25
  >Postgres (macOS/Others)

Why are those dependencies needed, except Crystal, particularly Node? And does Lucky only work with Postgres?

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You can use Lucky without a database, but if you use one, Postgres is the only support database.

You don't need node or yarn if you are using API mode. You can generate an API only app with `lucky init <app-name> --api`

The process manager is used to start the watcher process. You can use Lucky without it by running `lucky watch` instead of `lucky dev`, but using the process manager is nice because you can also run asset compilation, job queues and whatever other processes you app needs to run.

Lucky can be stripped down further still, but the documentation focuses on the more opinionated route

Thanks for the info.

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