diff --git a/lib/create-tree.js b/lib/create-tree.js
index 723af4be0b..dc75f278d5 100644
--- a/lib/create-tree.js
+++ b/lib/create-tree.js
@@ -1,16 +1,12 @@
-import { fileURLToPath } from 'url'
 import path from 'path'
 import fs from 'fs/promises'
 import Page from './page.js'
-const __dirname = path.dirname(fileURLToPath(import.meta.url))
 
 // Module level cache
 const _basePaths = new Map()
-// Return a full directory based on __dirname from a specific language directory.
-// This function is memoized with a simple global cache object.
 export function getBasePath(directory) {
   if (!_basePaths.has(directory)) {
-    _basePaths.set(directory, path.posix.join(__dirname, '..', directory, 'content'))
+    _basePaths.set(directory, path.posix.join(directory, 'content'))
   }
   return _basePaths.get(directory)
 }
diff --git a/lib/languages.js b/lib/languages.js
index 93122e7405..4a52db808e 100644
--- a/lib/languages.js
+++ b/lib/languages.js
@@ -1,14 +1,38 @@
 // see also languages-schema.js
+import dotenv from 'dotenv'
 
 import { TRANSLATIONS_ROOT } from './constants.js'
 import path from 'path'
 
+dotenv.config()
+
+const possibleEnvVars = {
+  'es-ES': process.env.TRANSLATIONS_ROOT_ES_ES,
+  'zh-CN': process.env.TRANSLATIONS_ROOT_ZH_CN,
+  'ja-JP': process.env.TRANSLATIONS_ROOT_JA_JP,
+  'pt-BR': process.env.TRANSLATIONS_ROOT_PT_BR,
+}
+
+function getRoot(languageCode) {
+  if (languageCode === 'en') return ''
+  if (languageCode in possibleEnvVars) {
+    const possibleEnvVar = possibleEnvVars[languageCode]
+    if (possibleEnvVar) {
+      return possibleEnvVar
+    }
+  } else {
+    console.warn(`Not recognized languageCode '${languageCode}'`)
+  }
+  // Default
+  return path.join(TRANSLATIONS_ROOT, languageCode)
+}
+
 const languages = {
   en: {
     name: 'English',
     code: 'en',
     hreflang: 'en',
-    dir: '',
+    dir: getRoot('en'),
   },
   cn: {
     name: 'Simplified Chinese',
@@ -16,7 +40,7 @@ const languages = {
     code: 'cn',
     hreflang: 'zh-Hans',
     redirectPatterns: [/^\/zh-\w{2}/, /^\/zh/],
-    dir: path.join(TRANSLATIONS_ROOT, 'zh-CN'),
+    dir: getRoot('zh-CN'),
   },
   ja: {
     name: 'Japanese',
@@ -24,21 +48,21 @@ const languages = {
     code: 'ja',
     hreflang: 'ja',
     redirectPatterns: [/^\/jp/],
-    dir: path.join(TRANSLATIONS_ROOT, 'ja-JP'),
+    dir: getRoot('ja-JP'),
   },
   es: {
     name: 'Spanish',
     nativeName: 'Español',
     code: 'es',
     hreflang: 'es',
-    dir: path.join(TRANSLATIONS_ROOT, 'es-ES'),
+    dir: getRoot('es-ES'),
   },
   pt: {
     name: 'Portuguese',
     nativeName: 'Português do Brasil',
     code: 'pt',
     hreflang: 'pt',
-    dir: path.join(TRANSLATIONS_ROOT, 'pt-BR'),
+    dir: getRoot('pt-BR'),
   },
 }
 
diff --git a/lib/page-data.js b/lib/page-data.js
index 3af85714ec..0498fca7d7 100644
--- a/lib/page-data.js
+++ b/lib/page-data.js
@@ -1,4 +1,3 @@
-import { fileURLToPath } from 'url'
 import path from 'path'
 import languages from './languages.js'
 import { allVersions } from './all-versions.js'
@@ -7,7 +6,6 @@ import loadSiteData from './site-data.js'
 import nonEnterpriseDefaultVersion from './non-enterprise-default-version.js'
 import Page from './page.js'
 
-const __dirname = path.dirname(fileURLToPath(import.meta.url))
 const versions = Object.keys(allVersions)
 
 // These are the exceptions to the rule.
@@ -42,7 +40,7 @@ export async function loadUnversionedTree(languagesOnly = null) {
     })
   await Promise.all(
     languagesValues.map(async (langObj) => {
-      const localizedContentPath = path.posix.join(__dirname, '..', langObj.dir, 'content')
+      const localizedContentPath = path.posix.join(langObj.dir, 'content')
       unversionedTree[langObj.code] = await createTree(localizedContentPath, langObj)
     })
   )
diff --git a/middleware/find-page.js b/middleware/find-page.js
index 5ce08c0370..64f58d78e0 100644
--- a/middleware/find-page.js
+++ b/middleware/find-page.js
@@ -1,4 +1,3 @@
-import { fileURLToPath } from 'url'
 import path from 'path'
 import { existsSync } from 'fs'
 
@@ -7,8 +6,7 @@ import { languageKeys } from '../lib/languages.js'
 
 const languagePrefixRegex = new RegExp(`^/(${languageKeys.join('|')})(/|$)`)
 const englishPrefixRegex = /^\/en(\/|$)/
-const __dirname = path.dirname(fileURLToPath(import.meta.url))
-const CONTENT_ROOT = path.posix.join(__dirname, '..', 'content')
+const CONTENT_ROOT = 'content'
 
 export default async function findPage(
   req,