diff --git a/tasks/main.yml b/tasks/main.yml
index ca6b169..9c03daf 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -5,8 +5,10 @@
 - import_tasks: php.yml
 - import_tasks: apache.yml
 
-- name: "Nextcloud einrichten"
+- name: "Nextcloud installieren"
   include_tasks: nextcloud.yml
   when: nc_is_installed.stat.exists == False
 
+- import_tasks: nextcloud_configuration.yml
+  tags: configuration
 - import_tasks: fixes.yml
diff --git a/tasks/nextcloud_configuration.yml b/tasks/nextcloud_configuration.yml
new file mode 100644
index 0000000..f7d4e95
--- /dev/null
+++ b/tasks/nextcloud_configuration.yml
@@ -0,0 +1,70 @@
+---
+#todo: Auch auf instances.alias anwenden
+- name: "configuration: {{ instance.domain }}: trusted domains einrichten"
+  command: 'php {{ nextcloud_install_path }}/occ config:system:set trusted_domains {{ item.0 }} --value "{{ item.1 }}"'
+  become: true
+  become_user: "{{ instance.user }}"
+  changed_when: true
+  with_indexed_items:
+    - '{{ nextcloud_trusted_domains  }}'
+
+- name: "configuration: {{ instance.domain }}: cron einrichten"
+  cron:
+    name: "nextcloud {{ instance.domain }}"
+    minute: "*/5"
+    user: "{{ instance.user }}"
+    job: "php -f {{ nextcloud_install_path}}/cron.php"
+    cron_file: "nextcloud"
+
+- name: "configuration: {{ instance.domain }}: allgemeie Konfiguration"
+  command: "{{ item }}"
+  become: true
+  become_user: "{{ instance.user }}"
+  changed_when: true
+  with_items:
+    - 'php {{ nextcloud_install_path }}/occ config:system:set memcache.local --value "\\OC\\Memcache\\APCu"'
+    - 'php {{ nextcloud_install_path }}/occ config:system:set memcache.distributed --value "\OC\Memcache\Redis"'
+    - "php {{ nextcloud_install_path }}/occ background:cron"
+    - 'php {{ nextcloud_install_path }}/occ config:system:set overwrite.cli.url --value https://{{ instance.domain }}'
+    - 'php {{ nextcloud_install_path }}/occ config:system:set htaccess.RewriteBase --value /'
+    - 'php {{ nextcloud_install_path }}/occ maintenance:update:htaccess'
+    - 'php {{ nextcloud_install_path }}/occ config:system:set default_language --value "de"'
+    - 'php {{ nextcloud_install_path }}/occ config:system:set default_phone_region --value "DE"'
+    - 'php {{ nextcloud_install_path }}/occ config:system:set loglevel --value "1"'
+
+- name: "configuration: {{ instance.domain }}: Mailversand einrichten"
+  blockinfile:
+    path: "{{ nextcloud_config_file }}"
+    insertbefore: '^\);'
+    marker_begin: mailserver
+    block: |2
+        'mail_from_address' => '{{ nextcloud_mail_from }}',
+        'mail_smtpmode' => 'smtp',
+        'mail_sendmailmode' => 'smtp',
+        'mail_domain' => '{{ nextcloud_mail_domain }}',
+        'mail_smtpauthtype' => '{{ nextcloud_smtp_auth_type }}',
+        'mail_smtphost' => '{{ nextcloud_smtp_host }}',
+        'mail_smtpport' => '{{ nextcloud_smtp_port}}',
+
+- name: "configuration: {{ instance.domain }}: Filelocking"
+  blockinfile:
+    path: "{{ nextcloud_config_file }}"
+    insertbefore: '^\);'
+    marker_begin: filelocking
+    block: |2
+        'filelocking.enabled' => true,
+        'memcache.locking' => '\OC\Memcache\Redis',
+        'redis' => array(
+             'host' => '/var/run/redis/redis-server.sock',
+             'port' => 0,
+             'dbindex' => {{ instance_id }},
+             'timeout' => 1.5,
+        ),
+
+- name: "configuration: {{ instance.domain }}: trusted proxies einrichten"
+  command: 'php {{ nextcloud_install_path }}/occ config:system:set trusted_proxies {{ item.0 }} --value "{{ item.1 }}"'
+  become: true
+  become_user: "{{ instance.user }}"
+  changed_when: true
+  with_indexed_items:
+    - "{{ nextcloud_trusted_proxies }}"