diff --git a/packages/adapter-node/ambient.d.ts b/packages/adapter-node/ambient.d.ts
index 7d45ea6dc64a..15b57f6ebdd8 100644
--- a/packages/adapter-node/ambient.d.ts
+++ b/packages/adapter-node/ambient.d.ts
@@ -1,5 +1,6 @@
 declare module 'ENV' {
 	export function env(key: string, fallback?: any): string;
+	export const ENV_PREFIX: string;
 }
 
 declare module 'HANDLER' {
@@ -17,6 +18,11 @@ declare module 'SERVER' {
 	export { Server } from '@sveltejs/kit';
 }
 
+interface ImportMeta {
+	SERVER_DIR: string;
+	ENV_PREFIX: string;
+}
+
 declare namespace App {
 	export interface Platform {
 		/**
diff --git a/packages/adapter-node/index.d.ts b/packages/adapter-node/index.d.ts
index 12ea6273dd66..c3b224198ddb 100644
--- a/packages/adapter-node/index.d.ts
+++ b/packages/adapter-node/index.d.ts
@@ -1,10 +1,6 @@
 import { Adapter } from '@sveltejs/kit';
 import './ambient.js';
 
-declare global {
-	const ENV_PREFIX: string;
-}
-
 interface AdapterOptions {
 	out?: string;
 	precompress?: boolean;
diff --git a/packages/adapter-node/index.js b/packages/adapter-node/index.js
index d5fa532dfe95..b7e20a216b0b 100644
--- a/packages/adapter-node/index.js
+++ b/packages/adapter-node/index.js
@@ -1,11 +1,15 @@
+import commonjs from '@rollup/plugin-commonjs';
+import json from '@rollup/plugin-json';
+import { nodeResolve } from '@rollup/plugin-node-resolve';
 import { readFileSync, writeFileSync } from 'node:fs';
 import { fileURLToPath } from 'node:url';
 import { rollup } from 'rollup';
-import { nodeResolve } from '@rollup/plugin-node-resolve';
-import commonjs from '@rollup/plugin-commonjs';
-import json from '@rollup/plugin-json';
 
-const files = fileURLToPath(new URL('./files', import.meta.url).href);
+/**
+ * @param {string} path
+ * @returns
+ */
+const resolve = (path) => fileURLToPath(new URL(path, import.meta.url));
 
 /** @type {import('.').default} */
 export default function (opts = {}) {
@@ -50,14 +54,40 @@ export default function (opts = {}) {
 			// will get included in the bundled code
 			const bundle = await rollup({
 				input: {
-					index: `${tmp}/index.js`,
-					manifest: `${tmp}/manifest.js`
+					handler: resolve('./src/handler.js'),
+					index: resolve('./src/index.js')
 				},
 				external: [
 					// dependencies could have deep exports, so we need a regex
 					...Object.keys(pkg.dependencies || {}).map((d) => new RegExp(`^${d}(\\/.*)?$`))
 				],
 				plugins: [
+					{
+						name: 'adapter-node-resolve',
+						resolveId(id) {
+							switch (id) {
+								case 'ENV':
+									return resolve('./src/env.js');
+								case 'HANDLER':
+									return resolve('./src/handler.js');
+								case 'MANIFEST':
+									return `${tmp}/manifest.js`;
+								case 'SERVER':
+									return `${tmp}/index.js`;
+								case 'SHIMS':
+									return resolve(polyfill ? './src/shims.js' : './src/shims_empty.js');
+							}
+						},
+						resolveImportMeta(property, { chunkId, moduleId }) {
+							if (property === 'SERVER_DIR' && moduleId === resolve('./src/handler.js')) {
+								const segments = chunkId.split('/').length - 1;
+
+								return `new URL("${'../'.repeat(segments) || '.'}", import.meta.url)`;
+							} else if (property === 'ENV_PREFIX' && moduleId === resolve('./src/env.js')) {
+								return JSON.stringify(envPrefix);
+							}
+						}
+					},
 					nodeResolve({
 						preferBuiltins: true,
 						exportConditions: ['node']
@@ -68,27 +98,11 @@ export default function (opts = {}) {
 			});
 
 			await bundle.write({
-				dir: `${out}/server`,
+				dir: `${out}`,
 				format: 'esm',
 				sourcemap: true,
 				chunkFileNames: `chunks/[name]-[hash].js`
 			});
-
-			builder.copy(files, out, {
-				replace: {
-					ENV: './env.js',
-					HANDLER: './handler.js',
-					MANIFEST: './server/manifest.js',
-					SERVER: './server/index.js',
-					SHIMS: './shims.js',
-					ENV_PREFIX: JSON.stringify(envPrefix)
-				}
-			});
-
-			// If polyfills aren't wanted then clear the file
-			if (!polyfill) {
-				writeFileSync(`${out}/shims.js`, '', 'utf-8');
-			}
 		}
 	};
 }
diff --git a/packages/adapter-node/package.json b/packages/adapter-node/package.json
index f17fd9e679ea..97a7eb906b03 100644
--- a/packages/adapter-node/package.json
+++ b/packages/adapter-node/package.json
@@ -19,13 +19,11 @@
 	},
 	"types": "index.d.ts",
 	"files": [
-		"files",
+		"src",
 		"index.js",
 		"index.d.ts"
 	],
 	"scripts": {
-		"dev": "rimraf files && rollup -cw",
-		"build": "rimraf files && rollup -c",
 		"test": "echo \"tests temporarily disabled\" # c8 uvu tests",
 		"check": "tsc",
 		"lint": "prettier --check . --config ../../.prettierrc --ignore-path .gitignore",
@@ -33,13 +31,9 @@
 		"prepublishOnly": "pnpm build"
 	},
 	"devDependencies": {
-		"@polka/url": "^1.0.0-next.21",
 		"@sveltejs/kit": "workspace:^",
 		"@types/node": "^16.18.6",
 		"c8": "^7.12.0",
-		"polka": "^1.0.0-next.22",
-		"rimraf": "^5.0.0",
-		"sirv": "^2.0.2",
 		"typescript": "^4.9.4",
 		"uvu": "^0.5.6"
 	},
@@ -47,7 +41,12 @@
 		"@rollup/plugin-commonjs": "^24.0.0",
 		"@rollup/plugin-json": "^6.0.0",
 		"@rollup/plugin-node-resolve": "^15.0.1",
-		"rollup": "^3.7.0"
+		"@rollup/plugin-replace": "^5.0.2",
+		"rollup": "^3.7.0",
+		"@polka/url": "^1.0.0-next.21",
+		"undici": "~5.22.0",
+		"polka": "^1.0.0-next.22",
+		"sirv": "^2.0.2"
 	},
 	"peerDependencies": {
 		"@sveltejs/kit": "^1.0.0"
diff --git a/packages/adapter-node/rollup.config.js b/packages/adapter-node/rollup.config.js
deleted file mode 100644
index 16c4a20c37a7..000000000000
--- a/packages/adapter-node/rollup.config.js
+++ /dev/null
@@ -1,44 +0,0 @@
-import { nodeResolve } from '@rollup/plugin-node-resolve';
-import commonjs from '@rollup/plugin-commonjs';
-import json from '@rollup/plugin-json';
-import { builtinModules } from 'node:module';
-
-export default [
-	{
-		input: 'src/index.js',
-		output: {
-			file: 'files/index.js',
-			format: 'esm'
-		},
-		plugins: [nodeResolve({ preferBuiltins: true }), commonjs(), json()],
-		external: ['ENV', 'HANDLER', ...builtinModules]
-	},
-	{
-		input: 'src/env.js',
-		output: {
-			file: 'files/env.js',
-			format: 'esm'
-		},
-		plugins: [nodeResolve(), commonjs(), json()],
-		external: ['HANDLER', ...builtinModules]
-	},
-	{
-		input: 'src/handler.js',
-		output: {
-			file: 'files/handler.js',
-			format: 'esm',
-			inlineDynamicImports: true
-		},
-		plugins: [nodeResolve(), commonjs(), json()],
-		external: ['ENV', 'MANIFEST', 'SERVER', 'SHIMS', ...builtinModules]
-	},
-	{
-		input: 'src/shims.js',
-		output: {
-			file: 'files/shims.js',
-			format: 'esm'
-		},
-		plugins: [nodeResolve(), commonjs()],
-		external: builtinModules
-	}
-];
diff --git a/packages/adapter-node/src/env.js b/packages/adapter-node/src/env.js
index 841bddf2c237..330032cde945 100644
--- a/packages/adapter-node/src/env.js
+++ b/packages/adapter-node/src/env.js
@@ -1,4 +1,6 @@
-/* global ENV_PREFIX */
+/* global __ENV_PREFIX */
+
+export const ENV_PREFIX = import.meta.ENV_PREFIX;
 
 const expected = new Set([
 	'SOCKET_PATH',
diff --git a/packages/adapter-node/src/handler.js b/packages/adapter-node/src/handler.js
index 8a1390a78f25..fefdc0f9882e 100644
--- a/packages/adapter-node/src/handler.js
+++ b/packages/adapter-node/src/handler.js
@@ -1,15 +1,16 @@
 import 'SHIMS';
+
 import fs from 'node:fs';
 import path from 'node:path';
-import sirv from 'sirv';
 import { fileURLToPath } from 'node:url';
+
 import { parse as polka_url_parser } from '@polka/url';
 import { getRequest, setResponse } from '@sveltejs/kit/node';
-import { Server } from 'SERVER';
-import { manifest, prerendered } from 'MANIFEST';
-import { env } from 'ENV';
+import sirv from 'sirv';
 
-/* global ENV_PREFIX */
+import { env, ENV_PREFIX } from './env.js';
+import { manifest, prerendered } from 'MANIFEST';
+import { Server } from 'SERVER';
 
 const server = new Server(manifest);
 await server.init({ env: process.env });
@@ -20,7 +21,7 @@ const protocol_header = env('PROTOCOL_HEADER', '').toLowerCase();
 const host_header = env('HOST_HEADER', 'host').toLowerCase();
 const body_size_limit = parseInt(env('BODY_SIZE_LIMIT', '524288'));
 
-const dir = path.dirname(fileURLToPath(import.meta.url));
+const dir = fileURLToPath(import.meta.SERVER_DIR);
 
 /**
  * @param {string} path
diff --git a/packages/adapter-node/src/index.js b/packages/adapter-node/src/index.js
index ea3feee05860..5832b244a51e 100644
--- a/packages/adapter-node/src/index.js
+++ b/packages/adapter-node/src/index.js
@@ -1,5 +1,5 @@
-import { handler } from 'HANDLER';
-import { env } from 'ENV';
+import { handler } from './handler.js';
+import { env } from './env.js';
 import polka from 'polka';
 
 export const path = env('SOCKET_PATH', false);
diff --git a/packages/adapter-node/src/shims_empty.js b/packages/adapter-node/src/shims_empty.js
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5eaa50334283..8dd4c1402625 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -198,6 +198,9 @@ importers:
       typescript:
         specifier: ^4.9.4
         version: 4.9.4
+      undici:
+        specifier: ~5.22.0
+        version: 5.22.0
       uvu:
         specifier: ^0.5.6
         version: 0.5.6
@@ -2438,7 +2441,6 @@ packages:
     engines: {node: '>=10.16.0'}
     dependencies:
       streamsearch: 1.1.0
-    dev: false
 
   /c8@7.12.0:
     resolution: {integrity: sha512-CtgQrHOkyxr5koX1wEUmN/5cfDa2ckbHRA4Gy5LAL0zaCFtVWJS5++n+w4/sr2GWGerBxgTjpKeDclk/Qk6W/A==}
@@ -5194,7 +5196,6 @@ packages:
   /streamsearch@1.1.0:
     resolution: {integrity: sha512-Mcc5wHehp9aXz1ax6bZUyY5afg9u2rv5cqQI3mRrYkGC8rW2hM02jWuwjtL++LS5qinSyhj2QfLyNsuc+VsExg==}
     engines: {node: '>=10.0.0'}
-    dev: false
 
   /string-width@1.0.2:
     resolution: {integrity: sha512-0XsVpQLnVCXHJfyEs8tC0zpTVIr5PKKsQtkT29IwupnPTjtPmQ3xT/4yCREF9hYkV/3M3kzcUTSAZT6a6h81tw==}
@@ -5642,7 +5643,6 @@ packages:
     engines: {node: '>=14.0'}
     dependencies:
       busboy: 1.6.0
-    dev: false
 
   /universalify@0.1.2:
     resolution: {integrity: sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==}