diff --git a/nextcloud/update_nextcloud.yml b/nextcloud/update_nextcloud.yml
new file mode 100644
index 0000000..232f0f6
--- /dev/null
+++ b/nextcloud/update_nextcloud.yml
@@ -0,0 +1,289 @@
+# nextcloud/update_nextcloud.yml
+
+- name: Update Nextcloud on VM via Proxmox
+  hosts: proxmox
+  gather_facts: false
+  become: true
+  become_user: root
+  become_method: sudo
+
+  vars:
+    # --- Connection to VM (provided by Semaphore env vars) ---
+    vm_ip:   "{{ lookup('env', 'VM_IP') }}"
+    vm_user: "{{ lookup('env', 'VM_USER') }}"
+    vm_pass: "{{ lookup('env', 'VM_PASS') }}"
+    use_sudo: false
+
+    # --- Debug / retries ---
+    DEBUG: "{{ lookup('env', 'DEBUG') | default(0) | int }}"
+    RETRIES: "{{ lookup('env', 'RETRIES') | default(25) | int }}"
+
+    # --- Nextcloud specifics ---
+    nextcloud_project: "nextcloud-collabora"
+    nextcloud_compose_file: "/data/compose/nextcloud/docker-compose-nextcloud.yml"
+    nextcloud_service: "nextcloud"
+
+    # Backup directory on the VM (timestamped on controller)
+    backup_dir: "/data/compose/nextcloud/backup-{{ lookup('pipe', 'date +%F-%H%M%S') }}"
+
+    nextcloud_base_url: "https://cloud.martinfencl.eu"
+    nextcloud_status_url: "{{ nextcloud_base_url }}/status.php"
+
+    # Docker command prefix (consistent behavior and quiet hints)
+    docker_prefix: "unalias docker 2>/dev/null || true; DOCKER_CLI_HINTS=0; command docker"
+
+    # --- Backup phase commands (run on VM) ---
+    nextcloud_backup_commands:
+      - >
+        mkdir -p "{{ backup_dir }}"
+      - >
+        docker exec -u www-data nextcloud php occ maintenance:mode --on
+      - >
+        tar czf "{{ backup_dir }}/config.tgz" -C /data/compose/nextcloud config
+      - >
+        tar czf "{{ backup_dir }}/custom_apps.tgz" -C /data/compose/nextcloud custom_apps
+      - >
+        docker exec nextcloud-db sh -c 'command -v mariadb-dump >/dev/null && mariadb-dump -u"$MYSQL_USER" -p"$MYSQL_PASSWORD" "$MYSQL_DATABASE" || mysqldump -u"$MYSQL_USER" -p"$MYSQL_PASSWORD" "$MYSQL_DATABASE"' > "{{ backup_dir }}/db.sql"
+
+    # --- Upgrade phase commands (run on VM) ---
+    nextcloud_upgrade_commands:
+      - >
+        {{ docker_prefix }} compose -p {{ nextcloud_project }} -f {{ nextcloud_compose_file }} pull {{ nextcloud_service }}
+      - >
+        {{ docker_prefix }} compose -p {{ nextcloud_project }} -f {{ nextcloud_compose_file }} up -d --no-deps --force-recreate {{ nextcloud_service }}
+      - >
+        sleep 10
+      - >
+        docker exec -u www-data nextcloud php occ upgrade
+      - >
+        docker exec -u www-data nextcloud php occ app:update --all || true
+      - >
+        docker exec -u www-data nextcloud php occ maintenance:repair --include-expensive || true
+      - >
+        docker exec -u www-data nextcloud php occ status
+
+  tasks:
+    - name: Ensure sshpass is installed (for password-based SSH)
+      ansible.builtin.apt:
+        name: sshpass
+        state: present
+        update_cache: yes
+
+    - name: Nextcloud | Show current version before upgrade (DEBUG)
+      ansible.builtin.command:
+        argv:
+          - sshpass
+          - -e
+          - ssh
+          - -o
+          - StrictHostKeyChecking=no
+          - -o
+          - ConnectTimeout=15
+          - "{{ vm_user }}@{{ vm_ip }}"
+          - bash
+          - -lc
+          - 'docker exec -u www-data nextcloud php occ -V || true'
+      environment:
+        SSHPASS: "{{ vm_pass }}"
+      register: nc_version_before
+      changed_when: false
+      failed_when: false
+      when: DEBUG == 1
+
+    # -------------------------
+    # Backup phase
+    # -------------------------
+
+    - name: Nextcloud | Run backup commands on VM (via SSH)
+      ansible.builtin.command:
+        argv:
+          - sshpass
+          - -e
+          - ssh
+          - -o
+          - StrictHostKeyChecking=no
+          - -o
+          - ConnectTimeout=15
+          - "{{ vm_user }}@{{ vm_ip }}"
+          - bash
+          - -lc
+          - "{{ ('sudo ' if use_sudo else '') + item }}"
+      environment:
+        SSHPASS: "{{ vm_pass }}"
+      loop: "{{ nextcloud_backup_commands }}"
+      loop_control:
+        index_var: idx
+        label: "backup-cmd-{{ idx }}"
+      register: nc_backup_cmds
+      changed_when: false
+      no_log: "{{ DEBUG == 0 }}"
+
+    - name: Nextcloud | Show outputs of backup commands (DEBUG)
+      ansible.builtin.debug:
+        msg: |
+          CMD: {{ item.item }}
+          RC:  {{ item.rc }}
+          STDOUT:
+          {{ (item.stdout | default('')).strip() }}
+          STDERR:
+          {{ (item.stderr | default('')).strip() }}
+      loop: "{{ nc_backup_cmds.results }}"
+      when: DEBUG == 1
+
+    - name: Nextcloud | Fail play if any backup command failed
+      ansible.builtin.assert:
+        that: "item.rc == 0"
+        fail_msg: "Nextcloud backup step failed on VM: {{ item.item }} (rc={{ item.rc }})"
+        success_msg: "All Nextcloud backup commands succeeded."
+      loop: "{{ nc_backup_cmds.results }}"
+      loop_control:
+        index_var: idx
+        label: "backup-cmd-{{ idx }}"
+
+    # -------------------------
+    # Upgrade phase
+    # -------------------------
+
+    - name: Nextcloud | Run upgrade commands on VM (via SSH)
+      ansible.builtin.command:
+        argv:
+          - sshpass
+          - -e
+          - ssh
+          - -o
+          - StrictHostKeyChecking=no
+          - -o
+          - ConnectTimeout=15
+          - "{{ vm_user }}@{{ vm_ip }}"
+          - bash
+          - -lc
+          - "{{ ('sudo ' if use_sudo else '') + item }}"
+      environment:
+        SSHPASS: "{{ vm_pass }}"
+      loop: "{{ nextcloud_upgrade_commands }}"
+      loop_control:
+        index_var: idx
+        label: "upgrade-cmd-{{ idx }}"
+      register: nc_upgrade_cmds
+      changed_when: false
+      no_log: "{{ DEBUG == 0 }}"
+
+    - name: Nextcloud | Show outputs of upgrade commands (DEBUG)
+      ansible.builtin.debug:
+        msg: |
+          CMD: {{ item.item }}
+          RC:  {{ item.rc }}
+          STDOUT:
+          {{ (item.stdout | default('')).strip() }}
+          STDERR:
+          {{ (item.stderr | default('')).strip() }}
+      loop: "{{ nc_upgrade_cmds.results }}"
+      when: DEBUG == 1
+
+    - name: Nextcloud | Fail play if any upgrade command failed
+      ansible.builtin.assert:
+        that: "item.rc == 0"
+        fail_msg: "Nextcloud upgrade step failed on VM: {{ item.item }} (rc={{ item.rc }})"
+        success_msg: "All Nextcloud upgrade commands succeeded."
+      loop: "{{ nc_upgrade_cmds.results }}"
+      loop_control:
+        index_var: idx
+        label: "upgrade-cmd-{{ idx }}"
+
+    - name: Nextcloud | Disable maintenance mode (only after successful upgrade)
+      ansible.builtin.command:
+        argv:
+          - sshpass
+          - -e
+          - ssh
+          - -o
+          - StrictHostKeyChecking=no
+          - -o
+          - ConnectTimeout=15
+          - "{{ vm_user }}@{{ vm_ip }}"
+          - bash
+          - -lc
+          - 'docker exec -u www-data nextcloud php occ maintenance:mode --off'
+      environment:
+        SSHPASS: "{{ vm_pass }}"
+      register: nc_maint_off
+      changed_when: false
+      no_log: "{{ DEBUG == 0 }}"
+
+    # -------------------------
+    # Readiness check (status.php)
+    # -------------------------
+
+    - name: Nextcloud | Wait for status.php (controller first)
+      ansible.builtin.uri:
+        url: "{{ nextcloud_status_url }}"
+        method: GET
+        return_content: true
+        validate_certs: true
+        status_code: 200
+      register: nc_status_controller
+      delegate_to: localhost
+      run_once: true
+      retries: "{{ RETRIES }}"
+      delay: 4
+      until: nc_status_controller.status == 200
+      failed_when: false
+      changed_when: false
+
+    - name: Nextcloud | VM-side fetch status.php (JSON via Python)
+      ansible.builtin.command:
+        argv:
+          - sshpass
+          - -e
+          - ssh
+          - -o
+          - StrictHostKeyChecking=no
+          - -o
+          - ConnectTimeout=15
+          - "{{ vm_user }}@{{ vm_ip }}"
+          - bash
+          - -lc
+          - |
+            python3 - <<'PY'
+            import json, urllib.request, sys
+            try:
+                with urllib.request.urlopen("{{ nextcloud_status_url }}", timeout=15) as r:
+                    sys.stdout.write(r.read().decode())
+            except Exception:
+                pass
+            PY
+      environment:
+        SSHPASS: "{{ vm_pass }}"
+      register: nc_status_vm
+      changed_when: false
+      failed_when: false
+      when: nc_status_controller.status | default(0) != 200 or nc_status_controller.json is not defined
+      no_log: "{{ DEBUG == 0 }}"
+
+    - name: Nextcloud | Choose status JSON (controller wins, else VM)
+      ansible.builtin.set_fact:
+        nextcloud_status_json: >-
+          {{
+            (nc_status_controller.json
+              if (nc_status_controller.status | default(0)) == 200 and (nc_status_controller.json is defined)
+              else (
+                (nc_status_vm.stdout | default('') | trim | length > 0)
+                | ternary((nc_status_vm.stdout | trim | from_json), omit)
+              )
+            )
+          }}
+      failed_when: false
+
+    - name: Nextcloud | Print concise status summary (DEBUG)
+      ansible.builtin.debug:
+        msg: >-
+          Nextcloud {{ nextcloud_status_json.version | default('?') }}
+          (installed={{ nextcloud_status_json.installed | default('?') }},
+          maintenance={{ nextcloud_status_json.maintenance | default('?') }},
+          needsDbUpgrade={{ nextcloud_status_json.needsDbUpgrade | default('?') }})
+      when: nextcloud_status_json is defined and DEBUG == 1
+
+    - name: Nextcloud | Status JSON not available (DEBUG)
+      ansible.builtin.debug:
+        msg: "status.php is not reachable or did not return JSON."
+      when: nextcloud_status_json is not defined and DEBUG == 1