Reapply "[Breaking] Remove deprecated publicRuntimeConfig and serverRuntimeConfig (#83944)" (#84167)

crates/next-build-test/nextConfig.json

@@ -50,8 +50,6 @@
   "productionBrowserSourceMaps": false,
   "optimizeFonts": true,
   "excludeDefaultMomentLocales": true,
-  "serverRuntimeConfig": {},
-  "publicRuntimeConfig": {},
   "reactProductionProfiling": false,
   "reactStrictMode": true,
   "httpAgentOptions": {

docs/01-app/02-guides/environment-variables.mdx

@@ -228,7 +228,6 @@ This allows you to use a singular Docker image that can be promoted through mult
 **Good to know:**
 
 - You can run code on server startup using the [`register` function](/docs/app/guides/instrumentation).
-- We do not recommend using the [`runtimeConfig`](/docs/pages/api-reference/config/next-config-js/runtime-configuration) option, as this does not work with the standalone output mode. Instead, we recommend [incrementally adopting](/docs/app/guides/migrating/app-router-migration) the App Router if you need this feature.
 
 ## Test Environment Variables
 

docs/01-app/02-guides/self-hosting.mdx

@@ -79,7 +79,6 @@ This allows you to use a singular Docker image that can be promoted through mult
 > **Good to know:**
 >
 > - You can run code on server startup using the [`register` function](/docs/app/guides/instrumentation).
-> - We do not recommend using the [runtimeConfig](/docs/pages/api-reference/config/next-config-js/runtime-configuration) option, as this does not work with the standalone output mode. Instead, we recommend [incrementally adopting](/docs/app/guides/migrating/app-router-migration) the App Router.
 
 ## Caching and ISR
 

docs/01-app/03-api-reference/05-config/01-next-config-js/output.mdx

@@ -59,7 +59,7 @@ node .next/standalone/server.js
 
 > **Good to know**:
 >
-> - `next.config.js` is read during `next build` and serialized into the `server.js` output file. If the legacy [`serverRuntimeConfig` or `publicRuntimeConfig` options](/docs/pages/api-reference/config/next-config-js/runtime-configuration) are being used, the values will be specific to values at build time.
+> - `next.config.js` is read during `next build` and serialized into the `server.js` output file.
 > - If your project needs to listen to a specific port or hostname, you can define `PORT` or `HOSTNAME` environment variables before running `server.js`. For example, run `PORT=8080 HOSTNAME=0.0.0.0 node server.js` to start the server on `http://0.0.0.0:8080`.
 
 </PagesOnly>

packages/next/index.d.ts

@@ -3,7 +3,6 @@
 /// <reference path="./dist/styled-jsx/types/index.d.ts" />
 /// <reference path="./app.d.ts" />
 /// <reference path="./cache.d.ts" />
-/// <reference path="./config.d.ts" />
 /// <reference path="./document.d.ts" />
 /// <reference path="./dynamic.d.ts" />
 /// <reference path="./error.d.ts" />

packages/next/src/build/index.ts

@@ -1924,9 +1924,7 @@ export default async function build(
           }
         }
 
-        const { configFileName, publicRuntimeConfig, serverRuntimeConfig } =
-          config
-        const runtimeEnvConfig = { publicRuntimeConfig, serverRuntimeConfig }
+        const { configFileName } = config
         const sriEnabled = Boolean(config.experimental.sri?.algorithm)
 
         const nonStaticErrorPageSpan = staticCheckSpan.traceChild(
@@ -1939,7 +1937,6 @@ export default async function build(
               (await worker.hasCustomGetInitialProps({
                 page: '/_error',
                 distDir,
-                runtimeEnvConfig,
                 checkingApp: false,
                 sriEnabled,
               }))
@@ -1953,7 +1950,6 @@ export default async function build(
               page: '/_error',
               distDir,
               configFileName,
-              runtimeEnvConfig,
               cacheComponents: isAppCacheComponentsEnabled,
               authInterrupts: isAuthInterruptsEnabled,
               httpAgentOptions: config.httpAgentOptions,
@@ -1973,7 +1969,6 @@ export default async function build(
           ? worker.hasCustomGetInitialProps({
               page: appPageToCheck,
               distDir,
-              runtimeEnvConfig,
               checkingApp: true,
               sriEnabled,
             })
@@ -1983,7 +1978,6 @@ export default async function build(
           ? worker.getDefinedNamedExports({
               page: appPageToCheck,
               distDir,
-              runtimeEnvConfig,
               sriEnabled,
             })
           : Promise.resolve([])
@@ -2167,7 +2161,6 @@ export default async function build(
                             originalAppPath,
                             distDir,
                             configFileName,
-                            runtimeEnvConfig,
                             httpAgentOptions: config.httpAgentOptions,
                             locales: config.i18n?.locales,
                             defaultLocale: config.i18n?.defaultLocale,

packages/next/src/build/templates/edge-ssr.ts

@@ -153,12 +153,6 @@ async function requestHandler(
       distDir: '',
       crossOrigin: nextConfig.crossOrigin ? nextConfig.crossOrigin : undefined,
       largePageDataBytes: nextConfig.experimental.largePageDataBytes,
-      // Only the `publicRuntimeConfig` key is exposed to the client side
-      // It'll be rendered as part of __NEXT_DATA__ on the client side
-      runtimeConfig:
-        Object.keys(nextConfig.publicRuntimeConfig).length > 0
-          ? nextConfig.publicRuntimeConfig
-          : undefined,
 
       isExperimentalCompile: nextConfig.experimental.isExperimentalCompile,
       // `htmlLimitedBots` is passed to server as serialized config in string format

packages/next/src/build/utils.ts

@@ -626,7 +626,6 @@ export async function isPageStatic({
   page,
   distDir,
   configFileName,
-  runtimeEnvConfig,
   httpAgentOptions,
   locales,
   defaultLocale,
@@ -653,7 +652,6 @@ export async function isPageStatic({
   cacheComponents: boolean
   authInterrupts: boolean
   configFileName: string
-  runtimeEnvConfig: any
   httpAgentOptions: NextConfigComplete['httpAgentOptions']
   locales?: readonly string[]
   defaultLocale?: string
@@ -701,9 +699,6 @@ export async function isPageStatic({
   const isPageStaticSpan = trace('is-page-static-utils', parentId)
   return isPageStaticSpan
     .traceAsyncFn(async (): Promise<PageIsStaticResult> => {
-      ;(
-        require('../shared/lib/runtime-config.external') as typeof import('../shared/lib/runtime-config.external')
-      ).setConfig(runtimeEnvConfig)
       setHttpClientAndAgentOptions({
         httpAgentOptions,
       })
@@ -1003,20 +998,14 @@ export function reduceAppConfig(
 export async function hasCustomGetInitialProps({
   page,
   distDir,
-  runtimeEnvConfig,
   checkingApp,
   sriEnabled,
 }: {
   page: string
   distDir: string
-  runtimeEnvConfig: any
   checkingApp: boolean
   sriEnabled: boolean
 }): Promise<boolean> {
-  ;(
-    require('../shared/lib/runtime-config.external') as typeof import('../shared/lib/runtime-config.external')
-  ).setConfig(runtimeEnvConfig)
-
   const { ComponentMod } = await loadComponents({
     distDir,
     page: page,
@@ -1039,17 +1028,12 @@ export async function hasCustomGetInitialProps({
 export async function getDefinedNamedExports({
   page,
   distDir,
-  runtimeEnvConfig,
   sriEnabled,
 }: {
   page: string
   distDir: string
-  runtimeEnvConfig: any
   sriEnabled: boolean
 }): Promise<ReadonlyArray<string>> {
-  ;(
-    require('../shared/lib/runtime-config.external') as typeof import('../shared/lib/runtime-config.external')
-  ).setConfig(runtimeEnvConfig)
   const { ComponentMod } = await loadComponents({
     distDir,
     page: page,

packages/next/src/client/index.tsx

@@ -20,7 +20,6 @@ import {
   urlQueryToSearchParams,
   assign,
 } from '../shared/lib/router/utils/querystring'
-import { setConfig } from '../shared/lib/runtime-config.external'
 import { getURL, loadGetInitialProps, ST } from '../shared/lib/utils'
 import type { NextWebVitalsMetric, NEXT_DATA } from '../shared/lib/utils'
 import { Portal } from './portal'
@@ -212,12 +211,6 @@ export async function initialize(opts: { devClient?: any } = {}): Promise<{
   // So, this is how we do it in the client side at runtime
   ;(self as any).__next_set_public_path__(`${prefix}/_next/`) //eslint-disable-line
 
-  // Initialize next/config with the environment configuration
-  setConfig({
-    serverRuntimeConfig: {},
-    publicRuntimeConfig: initialData.runtimeConfig || {},
-  })
-
   asPath = getURL()
 
   // make sure not to attempt stripping basePath for 404s

packages/next/src/export/index.ts

@@ -417,12 +417,6 @@ async function exportAppImpl(
       nextConfig.experimental.enablePrerenderSourceMaps === true,
   }
 
-  const { publicRuntimeConfig } = nextConfig
-
-  if (Object.keys(publicRuntimeConfig).length > 0) {
-    renderOpts.runtimeConfig = publicRuntimeConfig
-  }
-
   // We need this for server rendering the Link component.
   ;(globalThis as any).__NEXT_DATA__ = {
     nextExport: true,

packages/next/src/export/types.ts

@@ -44,7 +44,6 @@ export interface ExportPageInput {
   renderOpts: WorkerRenderOptsPartial
   trailingSlash?: boolean
   buildExport?: boolean
-  serverRuntimeConfig: { [key: string]: any }
   subFolders?: boolean
   optimizeCss: any
   disableOptimizedLoading: any

packages/next/src/export/worker.ts

@@ -50,10 +50,6 @@ import type { PagesRenderContext, PagesSharedContext } from '../server/render'
 import type { AppSharedContext } from '../server/app-render/app-render'
 import { MultiFileWriter } from '../lib/multi-file-writer'
 import { createRenderResumeDataCache } from '../server/resume-data-cache/resume-data-cache'
-
-const envConfig =
-  require('../shared/lib/runtime-config.external') as typeof import('../shared/lib/runtime-config.external')
-
 ;(globalThis as any).__NEXT_DATA__ = {
   nextExport: true,
 }
@@ -75,7 +71,6 @@ async function exportPageImpl(
     distDir,
     pagesDataDir,
     buildExport = false,
-    serverRuntimeConfig,
     subFolders = false,
     optimizeCss,
     disableOptimizedLoading,
@@ -189,11 +184,6 @@ async function exportPageImpl(
     addRequestMeta(req, 'isLocaleDomain', true)
   }
 
-  envConfig.setConfig({
-    serverRuntimeConfig,
-    publicRuntimeConfig: commonRenderOpts.runtimeConfig,
-  })
-
   const getHtmlFilename = (p: string) =>
     subFolders ? `${p}${sep}index.html` : `${p}.html`
 
@@ -402,7 +392,6 @@ export async function exportPages(
             pagesDataDir,
             renderOpts,
             trailingSlash: nextConfig.trailingSlash,
-            serverRuntimeConfig: nextConfig.serverRuntimeConfig,
             subFolders: nextConfig.trailingSlash && !options.buildExport,
             buildExport: options.buildExport,
             optimizeCss: nextConfig.experimental.optimizeCss,

packages/next/src/server/base-server.ts

@@ -57,7 +57,6 @@ import {
   UNDERSCORE_NOT_FOUND_ROUTE_ENTRY,
 } from '../shared/lib/constants'
 import { isDynamicRoute } from '../shared/lib/router/utils'
-import { setConfig } from '../shared/lib/runtime-config.external'
 import { execOnce } from '../shared/lib/utils'
 import { isBlockedPage } from './utils'
 import { getBotType, isBot } from '../shared/lib/router/utils/is-bot'
@@ -476,14 +475,7 @@ export default abstract class Server<
       ? new LocaleRouteNormalizer(this.i18nProvider)
       : undefined
 
-    // Only serverRuntimeConfig needs the default
-    // publicRuntimeConfig gets it's default in client/index.js
-    const {
-      serverRuntimeConfig = {},
-      publicRuntimeConfig,
-      assetPrefix,
-      generateEtags,
-    } = this.nextConfig
+    const { assetPrefix, generateEtags } = this.nextConfig
 
     this.buildId = this.getBuildId()
     // this is a hack to avoid Webpack knowing this is equal to this.minimalMode
@@ -550,12 +542,6 @@ export default abstract class Server<
         ? this.nextConfig.crossOrigin
         : undefined,
       largePageDataBytes: this.nextConfig.experimental.largePageDataBytes,
-      // Only the `publicRuntimeConfig` key is exposed to the client side
-      // It'll be rendered as part of __NEXT_DATA__ on the client side
-      runtimeConfig:
-        Object.keys(publicRuntimeConfig).length > 0
-          ? publicRuntimeConfig
-          : undefined,
 
       isExperimentalCompile: this.nextConfig.experimental.isExperimentalCompile,
       // `htmlLimitedBots` is passed to server as serialized config in string format
@@ -582,12 +568,6 @@ export default abstract class Server<
       reactMaxHeadersLength: this.nextConfig.reactMaxHeadersLength,
     }
 
-    // Initialize next/config with the environment configuration
-    setConfig({
-      serverRuntimeConfig,
-      publicRuntimeConfig,
-    })
-
     this.pagesManifest = this.getPagesManifest()
     this.appPathsManifest = this.getAppPathsManifest()
     this.appPathRoutes = this.getAppPathRoutes()

packages/next/src/server/config-schema.ts

@@ -631,7 +631,6 @@ export const configSchema: zod.ZodType<NextConfig> = z.lazy(() =>
     pageExtensions: z.array(z.string()).min(1).optional(),
     poweredByHeader: z.boolean().optional(),
     productionBrowserSourceMaps: z.boolean().optional(),
-    publicRuntimeConfig: z.record(z.string(), z.any()).optional(),
     reactCompiler: z.union([
       z.boolean(),
       z
@@ -675,7 +674,6 @@ export const configSchema: zod.ZodType<NextConfig> = z.lazy(() =>
       .catchall(z.any())
       .optional(),
     serverExternalPackages: z.array(z.string()).optional(),
-    serverRuntimeConfig: z.record(z.string(), z.any()).optional(),
     skipMiddlewareUrlNormalize: z.boolean().optional(),
     skipTrailingSlashRedirect: z.boolean().optional(),
     staticPageGenerationTimeout: z.number().optional(),