SvelteKit Adapters
19. SvelteKit Adapters & Production Deployment
Select and configure the optimal SvelteKit deployment adapter for static edge CDN hosting, Node.js Docker containers, or serverless edge workers.
adapters-deploy.ts
// svelte.config.js: Adapter Configuration
import adapterStatic from '@sveltejs/adapter-static';
import adapterCloudflare from '@sveltejs/adapter-cloudflare';
import adapterNode from '@sveltejs/adapter-node';
// Switchable adapter configuration based on deployment target
const target = process.env.DEPLOY_TARGET || 'static';
export default {
kit: {
adapter: target === 'cloudflare'
? adapterCloudflare({ routes: { include: ['/*'], exclude: ['<all>'] } })
: target === 'node'
? adapterNode({ out: 'build' })
: adapterStatic({ pages: 'build', assets: 'build', fallback: '404.html' })
}
};SvelteKit Adapters & Production Deployment
SvelteKit's adapter architecture compiles your universal codebase for any deployment target without changing application source code.
@sveltejs/adapter-static: Pre-renders entire static sites for zero-server CDN hosting with zero compute runtime costs.@sveltejs/adapter-cloudflare: Compiles dynamic server routes into high-performance Cloudflare V8 Edge Isolates.@sveltejs/adapter-node: Produces a standalone Node.js server containerized easily with Docker.@sveltejs/adapter-vercel: Automatically maps server routes to Vercel Serverless/Edge functions with ISR support.
SvelteKit Adapter Selector & Config Generator Adapter Topologies
NPM Package:
@sveltejs/adapter-static
Build Output:
100% Pre-compressed HTML, CSS, JS and static asset files
Ideal Deployment Target:
Cloudflare Pages, GitHub Pages, AWS S3 / CloudFront, Documentation portals
svelte.config.js snippet:
import adapter from '@sveltejs/adapter-static';
export default { kit: { adapter: adapter({ fallback: '404.html' }) } };