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Q&A Why is package.json needed for running a SvelteKit application?

I'm trying to containerize a SvelteKit application that uses the @sveltejs/adapter-node. The Build and Deploy section from the documentation recommends to build the application, and then run the a...

0 answers  ·  posted 2mo ago by ɯıpɐʌ‭

#1: Initial revision by user avatar ɯıpɐʌ‭ · 2024-09-06T13:54:24Z (2 months ago)
Why is package.json needed for running a SvelteKit application?
I'm trying to containerize a SvelteKit application that uses the `@sveltejs/adapter-node`.

The `Build and Deploy` section from the documentation [recommends](https://kit.svelte.dev/docs/adapter-node#deploying) to build the application, and then run the application with:

- the output sub-directory (`build`)
- the `node_modules` sub-directory
- `package.json`

I understand the `package.json` file is essential during the build process for managing dependencies and scripts, but given that the application is already built and the necessary files are present in the `build` directory and/or `node_modules`, why do I still need the `package.json` file to run the application?

> Notice the application is run using Node.js only — e.g.: `node /path/to/build/`, that will find and run, by default, the file `index.js`.

Are there specific scenarios or reasons where the absence of `package.json` could cause issues when running the application?