Doku: Docker-Stacks unter guests/vm101-ubuntu.

Compose und stack-relevante Config ohne Volumes/Daten; Secrets REDACTED.

Co-authored-by: Cursor <cursoragent@cursor.com>

guests/vm101-ubuntu/README.md

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+# VM 101 — ubuntu (Docker-Host)
+
+| | |
+|---|---|
+| **Proxmox** | pve1, VMID 101 |
+| **IP** | 192.168.10.10 |
+| **Stacks** | `/opt/stacks/` |
+| **Stack-UI** | Dockge → `:5001` |
+| **Docker** | `iptables: false` → [docker-daemon.json](docker-daemon.json), NAT: [../pve1/scripts/vm101-docker-nat-rules.sh](../pve1/scripts/vm101-docker-nat-rules.sh) |
+
+## Netzwerk `docbr0`
+
+Externes Docker-Netz für Container mit **festen IPs** (`10.2.2.0/24`).
+
+| Stack / Service | Container | IP (docbr0) |
+|-----------------|-----------|-------------|
+| phpipam | phpipam-web | 10.2.2.19 |
+| vaultwarden | vaultwarden | 10.2.2.18 |
+| git2 | gitea server | 10.2.2.22 |
+| sabnzbd | sabnzbd | 10.2.2.45 |
+| audio | audiobookshelf | 10.2.2.40 |
+| audio | airsonic | 10.2.2.43 |
+| audio | refix | 10.2.2.44 |
+| audio | navidrome | 10.2.2.48 |
+| jeanavril | web | 10.2.2.100 |
+| jeanavril | gitea | 10.2.2.101 |
+| nextcloud | nextcloud | 10.2.2.253 |
+| npm | app | 10.2.2.254 |
+
+## Stacks
+
+| Stack | Compose | Anmerkung |
+|-------|---------|----------|
+| [nextcloud](stacks/nextcloud/) | `compose.yml` | NC, Collabora, notify_push Sidecar; PHP/Nginx-Tuning unter `config/` |
+| [npm](stacks/npm/) | `docker-compose.yml` | Reverse Proxy |
+| [git2](stacks/git2/) | `compose.yml` | Gitea (git2) |
+| [jeanavril](stacks/jeanavril/) | `compose.yml` | Website + Gitea |
+| [audio](stacks/audio/) | `compose.yml` | Audiobookshelf, Airsonic, Navidrome, Refix |
+| [dockge](stacks/dockge/) | `compose.yaml` | Stack-Verwaltung |
+| [phpipam](stacks/phpipam/) | `compose.yml` | IPAM |
+| [sabnzbd](stacks/sabnzbd/) | `compose.yml` | Usenet |
+| [vaultwarden](stacks/vaultwarden/) | `compose.yml` | Passwortmanager |
+
+Details Nextcloud-Betrieb: [../../pve1/06_ubuntu-vm-nextcloud.md](../../pve1/06_ubuntu-vm-nextcloud.md)