diff --git a/25/apache/config/trusteddomains.config.php b/25/apache/config/trusteddomains.config.php
new file mode 100644
index 00000000..32019f32
--- /dev/null
+++ b/25/apache/config/trusteddomains.config.php
@@ -0,0 +1,7 @@
+<?php
+
+if (getenv('NEXTCLOUD_TRUSTED_DOMAINS')) {
+  $CONFIG = array(
+    'trusted_domains' => array_map(function($domain){return trim($domain);},explode(",",getenv('NEXTCLOUD_TRUSTED_DOMAINS')))
+  );
+}
diff --git a/25/fpm-alpine/config/trusteddomains.config.php b/25/fpm-alpine/config/trusteddomains.config.php
new file mode 100644
index 00000000..32019f32
--- /dev/null
+++ b/25/fpm-alpine/config/trusteddomains.config.php
@@ -0,0 +1,7 @@
+<?php
+
+if (getenv('NEXTCLOUD_TRUSTED_DOMAINS')) {
+  $CONFIG = array(
+    'trusted_domains' => array_map(function($domain){return trim($domain);},explode(",",getenv('NEXTCLOUD_TRUSTED_DOMAINS')))
+  );
+}
diff --git a/25/fpm/config/trusteddomains.config.php b/25/fpm/config/trusteddomains.config.php
new file mode 100644
index 00000000..32019f32
--- /dev/null
+++ b/25/fpm/config/trusteddomains.config.php
@@ -0,0 +1,7 @@
+<?php
+
+if (getenv('NEXTCLOUD_TRUSTED_DOMAINS')) {
+  $CONFIG = array(
+    'trusted_domains' => array_map(function($domain){return trim($domain);},explode(",",getenv('NEXTCLOUD_TRUSTED_DOMAINS')))
+  );
+}
diff --git a/26/apache/config/trusteddomains.config.php b/26/apache/config/trusteddomains.config.php
new file mode 100644
index 00000000..32019f32
--- /dev/null
+++ b/26/apache/config/trusteddomains.config.php
@@ -0,0 +1,7 @@
+<?php
+
+if (getenv('NEXTCLOUD_TRUSTED_DOMAINS')) {
+  $CONFIG = array(
+    'trusted_domains' => array_map(function($domain){return trim($domain);},explode(",",getenv('NEXTCLOUD_TRUSTED_DOMAINS')))
+  );
+}
diff --git a/26/fpm-alpine/config/trusteddomains.config.php b/26/fpm-alpine/config/trusteddomains.config.php
new file mode 100644
index 00000000..32019f32
--- /dev/null
+++ b/26/fpm-alpine/config/trusteddomains.config.php
@@ -0,0 +1,7 @@
+<?php
+
+if (getenv('NEXTCLOUD_TRUSTED_DOMAINS')) {
+  $CONFIG = array(
+    'trusted_domains' => array_map(function($domain){return trim($domain);},explode(",",getenv('NEXTCLOUD_TRUSTED_DOMAINS')))
+  );
+}
diff --git a/26/fpm/config/trusteddomains.config.php b/26/fpm/config/trusteddomains.config.php
new file mode 100644
index 00000000..32019f32
--- /dev/null
+++ b/26/fpm/config/trusteddomains.config.php
@@ -0,0 +1,7 @@
+<?php
+
+if (getenv('NEXTCLOUD_TRUSTED_DOMAINS')) {
+  $CONFIG = array(
+    'trusted_domains' => array_map(function($domain){return trim($domain);},explode(",",getenv('NEXTCLOUD_TRUSTED_DOMAINS')))
+  );
+}
diff --git a/27/apache/config/trusteddomains.config.php b/27/apache/config/trusteddomains.config.php
new file mode 100644
index 00000000..32019f32
--- /dev/null
+++ b/27/apache/config/trusteddomains.config.php
@@ -0,0 +1,7 @@
+<?php
+
+if (getenv('NEXTCLOUD_TRUSTED_DOMAINS')) {
+  $CONFIG = array(
+    'trusted_domains' => array_map(function($domain){return trim($domain);},explode(",",getenv('NEXTCLOUD_TRUSTED_DOMAINS')))
+  );
+}
diff --git a/27/fpm-alpine/config/trusteddomains.config.php b/27/fpm-alpine/config/trusteddomains.config.php
new file mode 100644
index 00000000..32019f32
--- /dev/null
+++ b/27/fpm-alpine/config/trusteddomains.config.php
@@ -0,0 +1,7 @@
+<?php
+
+if (getenv('NEXTCLOUD_TRUSTED_DOMAINS')) {
+  $CONFIG = array(
+    'trusted_domains' => array_map(function($domain){return trim($domain);},explode(",",getenv('NEXTCLOUD_TRUSTED_DOMAINS')))
+  );
+}
diff --git a/27/fpm/config/trusteddomains.config.php b/27/fpm/config/trusteddomains.config.php
new file mode 100644
index 00000000..32019f32
--- /dev/null
+++ b/27/fpm/config/trusteddomains.config.php
@@ -0,0 +1,7 @@
+<?php
+
+if (getenv('NEXTCLOUD_TRUSTED_DOMAINS')) {
+  $CONFIG = array(
+    'trusted_domains' => array_map(function($domain){return trim($domain);},explode(",",getenv('NEXTCLOUD_TRUSTED_DOMAINS')))
+  );
+}