diff --git a/config/sites/extensions/config.yaml b/config/sites/extensions/config.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..770efa1c78d614b65a1626ac7593288dbbd72cfe
--- /dev/null
+++ b/config/sites/extensions/config.yaml
@@ -0,0 +1,37 @@
+rootPageId: 1
+base: 'https://extensions.typo3.org/'
+baseVariants:
+  -
+    base: 'https://ter.ddev.site'
+    condition: 'applicationContext == "Development"'
+  -
+    base: 'https://extensions-stage.typo3.org'
+    condition: 'applicationContext == "Testing"'
+  -
+    base: 'https://extensions.typo3.org'
+    condition: 'applicationContext == "Production"'
+languages:
+  -
+    title: English
+    enabled: true
+    languageId: '0'
+    base: /
+    typo3Language: default
+    locale: en_GB.UTF-8
+    iso-639-1: en
+    navigationTitle: English
+    hreflang: en-GB
+    direction: ''
+    flag: gb
+    solr_core_read: core_en
+errorHandling: {  }
+routes: {  }
+solr_enabled_read: true
+solr_scheme_read: http
+solr_host_read: solr
+solr_port_read: 8983
+solr_path_read: /solr/
+solr_use_write_connection: false
+imports:
+  - { resource: "EXT:ter_fe2/Configuration/Routes/Extensions.yml" }
+