diff --git a/packages/astro/components/Picture.astro b/packages/astro/components/Picture.astro
index b0791f1635..f42846f184 100644
--- a/packages/astro/components/Picture.astro
+++ b/packages/astro/components/Picture.astro
@@ -1,7 +1,7 @@
 ---
 import { getImage, type LocalImageProps, type RemoteImageProps } from 'astro:assets';
 import type { GetImageResult, ImageOutputFormat } from '../dist/@types/astro';
-import { isESMImportedImage } from '../dist/assets/internal';
+import { isESMImportedImage } from '../dist/assets/utils/imageKind';
 import { AstroError, AstroErrorData } from '../dist/core/errors/index.js';
 import type { HTMLAttributes } from '../types';
 
diff --git a/packages/astro/src/assets/build/generate.ts b/packages/astro/src/assets/build/generate.ts
index 1c55a93b98..0776dc2d69 100644
--- a/packages/astro/src/assets/build/generate.ts
+++ b/packages/astro/src/assets/build/generate.ts
@@ -10,9 +10,10 @@ import type { Logger } from '../../core/logger/core.js';
 import { isRemotePath, prependForwardSlash } from '../../core/path.js';
 import { isServerLikeOutput } from '../../prerender/utils.js';
 import type { MapValue } from '../../type-utils.js';
-import { getConfiguredImageService, isESMImportedImage } from '../internal.js';
+import { getConfiguredImageService } from '../internal.js';
 import type { LocalImageService } from '../services/service.js';
 import type { AssetsGlobalStaticImagesList, ImageMetadata, ImageTransform } from '../types.js';
+import { isESMImportedImage } from '../utils/imageKind.js';
 import { loadRemoteImage, type RemoteCacheEntry } from './remote.js';
 
 interface GenerationDataUncached {
diff --git a/packages/astro/src/assets/endpoint/config.ts b/packages/astro/src/assets/endpoint/config.ts
new file mode 100644
index 0000000000..07cfe8faec
--- /dev/null
+++ b/packages/astro/src/assets/endpoint/config.ts
@@ -0,0 +1,15 @@
+import type { AstroSettings } from '../../@types/astro.js';
+
+export function injectImageEndpoint(settings: AstroSettings, mode: 'dev' | 'build') {
+	const endpointEntrypoint =
+		settings.config.image.endpoint ??
+		(mode === 'dev' ? 'astro/assets/endpoint/node' : 'astro/assets/endpoint/generic');
+
+	settings.injectedRoutes.push({
+		pattern: '/_image',
+		entrypoint: endpointEntrypoint,
+		prerender: false,
+	});
+
+	return settings;
+}
diff --git a/packages/astro/src/assets/endpoint/generic.ts b/packages/astro/src/assets/endpoint/generic.ts
index a158448edb..5243a7e7c2 100644
--- a/packages/astro/src/assets/endpoint/generic.ts
+++ b/packages/astro/src/assets/endpoint/generic.ts
@@ -1,10 +1,11 @@
 import { isRemotePath } from '@astrojs/internal-helpers/path';
 import mime from 'mime/lite.js';
 import type { APIRoute } from '../../@types/astro.js';
-import { getConfiguredImageService, isRemoteAllowed } from '../internal.js';
+import { getConfiguredImageService } from '../internal.js';
 import { etag } from '../utils/etag.js';
 // @ts-expect-error
 import { imageConfig } from 'astro:assets';
+import { isRemoteAllowed } from '../utils/remotePattern.js';
 
 async function loadRemoteImage(src: URL) {
 	try {
diff --git a/packages/astro/src/assets/endpoint/node.ts b/packages/astro/src/assets/endpoint/node.ts
index 7542b5eafd..604d75d255 100644
--- a/packages/astro/src/assets/endpoint/node.ts
+++ b/packages/astro/src/assets/endpoint/node.ts
@@ -3,10 +3,11 @@ import { readFile } from 'fs/promises';
 import mime from 'mime/lite.js';
 import os from 'os';
 import type { APIRoute } from '../../@types/astro.js';
-import { getConfiguredImageService, isRemoteAllowed } from '../internal.js';
+import { getConfiguredImageService } from '../internal.js';
 import { etag } from '../utils/etag.js';
 // @ts-expect-error
 import { assetsDir, imageConfig } from 'astro:assets';
+import { isRemoteAllowed } from '../utils/remotePattern.js';
 
 function replaceFileSystemReferences(src: string) {
 	return os.platform().includes('win32') ? src.replace(/^\/@fs\//, '') : src.replace(/^\/@fs/, '');
diff --git a/packages/astro/src/assets/internal.ts b/packages/astro/src/assets/internal.ts
index 06dad68524..2098e0d754 100644
--- a/packages/astro/src/assets/internal.ts
+++ b/packages/astro/src/assets/internal.ts
@@ -1,54 +1,14 @@
-import { isRemotePath } from '@astrojs/internal-helpers/path';
-import type { AstroConfig, AstroSettings } from '../@types/astro.js';
+import type { AstroConfig } from '../@types/astro.js';
 import { AstroError, AstroErrorData } from '../core/errors/index.js';
 import { DEFAULT_HASH_PROPS } from './consts.js';
 import { isLocalService, type ImageService } from './services/service.js';
 import type {
 	GetImageResult,
-	ImageMetadata,
 	ImageTransform,
 	SrcSetValue,
 	UnresolvedImageTransform,
 } from './types.js';
-import { matchHostname, matchPattern } from './utils/remotePattern.js';
-
-export function injectImageEndpoint(settings: AstroSettings, mode: 'dev' | 'build') {
-	const endpointEntrypoint =
-		settings.config.image.endpoint ??
-		(mode === 'dev' ? 'astro/assets/endpoint/node' : 'astro/assets/endpoint/generic');
-
-	settings.injectedRoutes.push({
-		pattern: '/_image',
-		entrypoint: endpointEntrypoint,
-		prerender: false,
-	});
-
-	return settings;
-}
-
-export function isESMImportedImage(src: ImageMetadata | string): src is ImageMetadata {
-	return typeof src === 'object';
-}
-
-export function isRemoteImage(src: ImageMetadata | string): src is string {
-	return typeof src === 'string';
-}
-
-export function isRemoteAllowed(
-	src: string,
-	{
-		domains = [],
-		remotePatterns = [],
-	}: Partial<Pick<AstroConfig['image'], 'domains' | 'remotePatterns'>>
-): boolean {
-	if (!isRemotePath(src)) return false;
-
-	const url = new URL(src);
-	return (
-		domains.some((domain) => matchHostname(url, domain)) ||
-		remotePatterns.some((remotePattern) => matchPattern(url, remotePattern))
-	);
-}
+import { isESMImportedImage, isRemoteImage } from './utils/imageKind.js';
 
 export async function getConfiguredImageService(): Promise<ImageService> {
 	if (!globalThis?.astroAsset?.imageService) {
diff --git a/packages/astro/src/assets/services/service.ts b/packages/astro/src/assets/services/service.ts
index ab647b7107..0a4ff4064e 100644
--- a/packages/astro/src/assets/services/service.ts
+++ b/packages/astro/src/assets/services/service.ts
@@ -2,8 +2,9 @@ import type { AstroConfig } from '../../@types/astro.js';
 import { AstroError, AstroErrorData } from '../../core/errors/index.js';
 import { isRemotePath, joinPaths } from '../../core/path.js';
 import { DEFAULT_HASH_PROPS, DEFAULT_OUTPUT_FORMAT, VALID_SUPPORTED_FORMATS } from '../consts.js';
-import { isESMImportedImage, isRemoteAllowed } from '../internal.js';
 import type { ImageOutputFormat, ImageTransform, UnresolvedSrcSetValue } from '../types.js';
+import { isESMImportedImage } from '../utils/imageKind.js';
+import { isRemoteAllowed } from '../utils/remotePattern.js';
 
 export type ImageService = LocalImageService | ExternalImageService;
 
diff --git a/packages/astro/src/assets/utils/imageKind.ts b/packages/astro/src/assets/utils/imageKind.ts
new file mode 100644
index 0000000000..866d9ed876
--- /dev/null
+++ b/packages/astro/src/assets/utils/imageKind.ts
@@ -0,0 +1,9 @@
+import type { ImageMetadata } from '../types.js';
+
+export function isESMImportedImage(src: ImageMetadata | string): src is ImageMetadata {
+	return typeof src === 'object';
+}
+
+export function isRemoteImage(src: ImageMetadata | string): src is string {
+	return typeof src === 'string';
+}
diff --git a/packages/astro/src/assets/utils/index.ts b/packages/astro/src/assets/utils/index.ts
index 3e62465195..4fb4e42db3 100644
--- a/packages/astro/src/assets/utils/index.ts
+++ b/packages/astro/src/assets/utils/index.ts
@@ -1,4 +1,14 @@
 export { emitESMImage } from './emitAsset.js';
+export { isESMImportedImage, isRemoteImage } from './imageKind.js';
 export { imageMetadata } from './metadata.js';
 export { getOrigQueryParams } from './queryParams.js';
+export {
+	isRemoteAllowed,
+	matchHostname,
+	matchPathname,
+	matchPattern,
+	matchPort,
+	matchProtocol,
+	type RemotePattern,
+} from './remotePattern.js';
 export { hashTransform, propsToFilename } from './transformToPath.js';
diff --git a/packages/astro/src/assets/utils/remotePattern.ts b/packages/astro/src/assets/utils/remotePattern.ts
index 7708b42e73..3384e313e1 100644
--- a/packages/astro/src/assets/utils/remotePattern.ts
+++ b/packages/astro/src/assets/utils/remotePattern.ts
@@ -1,3 +1,6 @@
+import { isRemotePath } from '@astrojs/internal-helpers/path';
+import type { AstroConfig } from '../../@types/astro.js';
+
 export type RemotePattern = {
 	hostname?: string;
 	pathname?: string;
@@ -61,3 +64,19 @@ export function matchPathname(url: URL, pathname?: string, allowWildcard?: boole
 
 	return false;
 }
+
+export function isRemoteAllowed(
+	src: string,
+	{
+		domains = [],
+		remotePatterns = [],
+	}: Partial<Pick<AstroConfig['image'], 'domains' | 'remotePatterns'>>
+): boolean {
+	if (!isRemotePath(src)) return false;
+
+	const url = new URL(src);
+	return (
+		domains.some((domain) => matchHostname(url, domain)) ||
+		remotePatterns.some((remotePattern) => matchPattern(url, remotePattern))
+	);
+}
diff --git a/packages/astro/src/assets/utils/transformToPath.ts b/packages/astro/src/assets/utils/transformToPath.ts
index 4738ef2a1d..affeea8eb4 100644
--- a/packages/astro/src/assets/utils/transformToPath.ts
+++ b/packages/astro/src/assets/utils/transformToPath.ts
@@ -2,8 +2,8 @@ import { deterministicString } from 'deterministic-object-hash';
 import { basename, extname } from 'node:path';
 import { removeQueryString } from '../../core/path.js';
 import { shorthash } from '../../runtime/server/shorthash.js';
-import { isESMImportedImage } from '../internal.js';
 import type { ImageTransform } from '../types.js';
+import { isESMImportedImage } from './imageKind.js';
 
 export function propsToFilename(transform: ImageTransform, hash: string) {
 	let filename = removeQueryString(
diff --git a/packages/astro/src/assets/vite-plugin-assets.ts b/packages/astro/src/assets/vite-plugin-assets.ts
index ff6d0034e5..8dfd86d662 100644
--- a/packages/astro/src/assets/vite-plugin-assets.ts
+++ b/packages/astro/src/assets/vite-plugin-assets.ts
@@ -12,8 +12,8 @@ import {
 } from '../core/path.js';
 import { isServerLikeOutput } from '../prerender/utils.js';
 import { VALID_INPUT_FORMATS, VIRTUAL_MODULE_ID, VIRTUAL_SERVICE_ID } from './consts.js';
-import { isESMImportedImage } from './internal.js';
 import { emitESMImage } from './utils/emitAsset.js';
+import { isESMImportedImage } from './utils/imageKind.js';
 import { getProxyCode } from './utils/proxy.js';
 import { hashTransform, propsToFilename } from './utils/transformToPath.js';
 
diff --git a/packages/astro/src/core/build/index.ts b/packages/astro/src/core/build/index.ts
index 551e686dc4..8cb53f3c7c 100644
--- a/packages/astro/src/core/build/index.ts
+++ b/packages/astro/src/core/build/index.ts
@@ -10,7 +10,7 @@ import type {
 	ManifestData,
 	RuntimeMode,
 } from '../../@types/astro.js';
-import { injectImageEndpoint } from '../../assets/internal.js';
+import { injectImageEndpoint } from '../../assets/endpoint/config.js';
 import { telemetry } from '../../events/index.js';
 import { eventCliSession } from '../../events/session.js';
 import {
diff --git a/packages/astro/src/core/dev/container.ts b/packages/astro/src/core/dev/container.ts
index 6cc5713f2b..4f2b5d4f2f 100644
--- a/packages/astro/src/core/dev/container.ts
+++ b/packages/astro/src/core/dev/container.ts
@@ -4,7 +4,7 @@ import type { AstroInlineConfig, AstroSettings } from '../../@types/astro.js';
 
 import nodeFs from 'node:fs';
 import * as vite from 'vite';
-import { injectImageEndpoint } from '../../assets/internal.js';
+import { injectImageEndpoint } from '../../assets/endpoint/config.js';
 import {
 	runHookConfigDone,
 	runHookConfigSetup,