docs: add deployment methods comparison table

admin_manual/installation/deployment_comparison.rst

@@ -0,0 +1,214 @@
+============================
+Deployment methods comparison
+============================
+
+The following table compares the available Nextcloud deployment methods to help
+you choose the one that best suits your needs.
+
+.. list-table::
+   :header-rows: 1
+   :widths: 30 10 10 10 10 10 10 10
+
+   * - Feature
+     - `Nextcloud AIO <https://github.com/nextcloud/all-in-one>`_
+     - `Nextcloud VM <https://github.com/nextcloud/vm>`_
+     - `NextcloudPi <https://github.com/nextcloud/nextcloudpi>`_
+     - `Snap <https://github.com/nextcloud-snap/nextcloud-snap>`_
+     - Manual (LAMP/LEMP)
+     - Docker Compose (custom)
+     - Helm Chart (Kubernetes)
+   * - Officially supported by Nextcloud GmbH
+     - ✅
+     - ❌
+     - ❌
+     - ❌
+     - ✅
+     - ❌
+     - ❌
+   * - Typical deployment platform
+     - Docker
+     - Virtual machine
+     - RPi / SBC / LXC
+     - Ubuntu / Debian
+     - Bare metal / VM
+     - Docker
+     - Kubernetes
+   * - Easy / guided setup
+     - ✅ one command
+     - ⚠️ interactive script
+     - ✅ image or curl
+     - ✅ one command
+     - ❌
+     - ⚠️
+     - ❌
+   * - Web management UI (non-Nextcloud)
+     - ✅ AIO panel
+     - ⚠️ Webmin (optional)
+     - ✅ ncp-web
+     - ❌
+     - ❌
+     - ❌
+     - ❌
+   * - Automatic TLS (Let's Encrypt)
+     - ✅
+     - ✅ via script
+     - ✅
+     - ✅
+     - ❌
+     - ❌
+     - ⚠️
+   * - Included database
+     - ✅ PostgreSQL
+     - ✅ PostgreSQL 16
+     - ✅ MariaDB
+     - ✅ MySQL 8.4
+     - ⚠️ User choice
+     - ⚠️ User choice
+     - ⚠️ User choice
+   * - Redis caching included
+     - ✅
+     - ✅
+     - ✅
+     - ✅
+     - ❌
+     - ⚠️
+     - ⚠️
+   * - APCu caching included
+     - ✅
+     - ❌
+     - ✅
+     - ❌
+     - ❌
+     - ⚠️
+     - ⚠️
+   * - Built-in backup solution
+     - ✅ BorgBackup
+     - ❌
+     - ✅
+     - ❌
+     - ❌
+     - ❌
+     - ❌
+   * - Automated updates
+     - ✅
+     - ✅ via script
+     - ✅
+     - ✅ (snap)
+     - ❌
+     - ❌
+     - ❌
+   * - Nextcloud Office / Collabora
+     - ✅ optional
+     - ✅ optional
+     - ❌
+     - ❌
+     - ⚠️
+     - ⚠️
+     - ⚠️
+   * - High-performance Talk backend
+     - ✅ optional
+     - ❌
+     - ❌
+     - ❌
+     - ⚠️
+     - ⚠️
+     - ⚠️
+   * - ClamAV antivirus
+     - ✅ optional
+     - ❌
+     - ❌
+     - ❌
+     - ⚠️
+     - ⚠️
+     - ❌
+   * - Full-text search
+     - ✅ optional
+     - ❌
+     - ❌
+     - ❌
+     - ⚠️
+     - ⚠️
+     - ❌
+   * - Fail2Ban included
+     - ⚠️ community
+     - ⚠️ optional
+     - ✅
+     - ❌
+     - ❌
+     - ❌
+     - ❌
+   * - Hardware transcoding support
+     - ✅
+     - ❌
+     - ❌
+     - ❌
+     - ⚠️
+     - ⚠️
+     - ⚠️
+   * - Community add-on containers
+     - ✅
+     - ❌
+     - ❌
+     - ❌
+     - ❌
+     - ❌
+     - ❌
+   * - A+ security score out of the box
+     - ✅
+     - ✅
+     - ✅
+     - ⚠️
+     - ⚠️
+     - ⚠️
+     - ⚠️
+   * - Docker rootless support
+     - ✅
+     - ❌
+     - ❌
+     - ❌
+     - ❌
+     - ⚠️
+     - N/A
+   * - Kubernetes / Helm support
+     - ⚠️ via Helm chart
+     - ❌
+     - ❌
+     - ❌
+     - ❌
+     - ❌
+     - ✅
+   * - Full configuration control
+     - ⚠️ limited
+     - ✅
+     - ✅
+     - ⚠️ limited
+     - ✅
+     - ✅
+     - ✅
+   * - Suitable for beginners
+     - ✅
+     - ⚠️
+     - ✅
+     - ✅
+     - ❌
+     - ⚠️
+     - ❌
+   * - Raspberry Pi / SBC support
+     - ⚠️ via Docker
+     - ⚠️ RPi 4/5
+     - ✅ primary target
+     - ✅
+     - ✅
+     - ✅
+     - ❌
+
+* ✅ = included / supported out of the box
+* ⚠️ = possible but requires manual steps or has caveats
+* ❌ = not supported / not included
+
+.. note::
+
+   NextcloudPi and the Snap are community-maintained but hosted under the
+   Nextcloud GitHub organisation. The Nextcloud VM is community-maintained
+   by Hansson IT; Nextcloud GmbH does not provide official support for it.
+   NCP Docker support has been discontinued.

admin_manual/installation/index.rst

@@ -6,6 +6,7 @@ Installation and server configuration
    :maxdepth: 2
 
    system_requirements
+   deployment_comparison
    deployment_recommendations
    php_configuration
    source_installation