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Mar 8, 2024
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docs: describe how to compress adapter-node responses #11957

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docs: describe how to compress adapter-node responses
benmccann Mar 8, 2024
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Update documentation/docs/25-build-and-deploy/40-adapter-node.md
benmccann Mar 8, 2024
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Update documentation/docs/25-build-and-deploy/40-adapter-node.md
benmccann Mar 8, 2024
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6 changes: 6 additions & 0 deletions documentation/docs/25-build-and-deploy/40-adapter-node.md
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Expand Up @@ -32,6 +32,12 @@ node build

Development dependencies will be bundled into your app using [Rollup](https://rollupjs.org). To control whether a given package is bundled or externalised, place it in `devDependencies` or `dependencies` respectively in your `package.json`.

### Compressing responses

You will typically want to compress responses coming from the server. If you are already deploying your server behind a reverse proxy for SSL or load balancing, it typically results in better performance to also handle compression at that layer since Node.js is single-threaded.

However, if you're building a [#custom-server](custom server) and do want to add a compression middleware there, note that we would recommend using [`@polka/compression`](https://www.npmjs.com/package/@polka/compression) since SvelteKit streams responses and the more popular `compression` package does not support streaming and may cause errors when used.

## Environment variables

In `dev` and `preview`, SvelteKit will read environment variables from your `.env` file (or `.env.local`, or `.env.[mode]`, [as determined by Vite](https://vitejs.dev/guide/env-and-mode.html#env-files).)
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