diff --git a/configmap/nextcloud-custom-config.yaml b/configmap/nextcloud-custom-config.yaml
new file mode 100644
index 0000000..027c36b
--- /dev/null
+++ b/configmap/nextcloud-custom-config.yaml
@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: nextcloud-custom-config
+  namespace: nextcloud
+data:
+  custom.config.php: |
+    <?php
+    $CONFIG = array (
+      'trusted_proxies' => ['10.42.0.0/16'],
+      'overwritehost' => 'nextcloud.manabo.org',
+      'overwriteprotocol' => 'https',
+      'overwrite.cli.url' => 'https://nextcloud.manabo.org',
+      'forwarded_for_headers' => ['HTTP_X_FORWARDED_FOR'],
+      'default_phone_region' => 'ES',
+      'maintenance_window_start' => 3,
+      'memcache.local' => '\\OC\\Memcache\\APCu',
+    );
diff --git a/deployments/nextcloud.yaml b/deployments/nextcloud.yaml
index e9f5ba4..c1a368c 100644
--- a/deployments/nextcloud.yaml
+++ b/deployments/nextcloud.yaml
@@ -14,7 +14,7 @@ spec:
     spec:
       containers:
       - name: nextcloud
-        image: nextcloud:latest
+        image: nextcloud:31
         env:
         - name: MYSQL_PASSWORD
           value: nextcloud
@@ -29,7 +29,13 @@ spec:
         volumeMounts:
         - mountPath: /var/www/html
           name: nextcloud-storage
+        - mountPath: /var/www/html/config/custom.config.php
+          name: custom-config
+          subPath: custom.config.php
       volumes:
       - name: nextcloud-storage
         persistentVolumeClaim:
           claimName: nextcloud-pvc
+      - name: custom-config
+        configMap:
+          name: nextcloud-custom-config