From 8b62397037a09fe465eb138e054aa84b058f5587 Mon Sep 17 00:00:00 2001
From: ediblerope <fredrik@nordhammer.it>
Date: Tue, 7 Apr 2026 22:54:33 +0100
Subject: [PATCH] Remove Docker, add server migration checklist to readme

- Remove virtualisation.docker.enable (no longer used after native
  migration of Authelia, go2rtc, and nginx)
- Add migration checklist documenting which state directories and
  secrets to back up when moving to new hardware

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 hosts/FredOS-Mediaserver.nix |  3 ---
 readme.md                    | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/hosts/FredOS-Mediaserver.nix b/hosts/FredOS-Mediaserver.nix
index e76e09f..39f9deb 100644
--- a/hosts/FredOS-Mediaserver.nix
+++ b/hosts/FredOS-Mediaserver.nix
@@ -18,9 +18,6 @@
       yt-dlp
     ];
 
-    # Enable Docker
-    virtualisation.docker.enable = true;
-
     # Basic networking
     networking.useDHCP = lib.mkDefault true;
 
diff --git a/readme.md b/readme.md
index 17d7a11..2c870bc 100644
--- a/readme.md
+++ b/readme.md
@@ -206,6 +206,39 @@ sudo nano /var/lib/authelia-main/users_database.yml
 sudo chown authelia-main:authelia-main /var/lib/authelia-main/users_database.yml
 ```
 
+## Migrating to a new server
+
+When moving FredOS-Mediaserver to new hardware, back up these state directories from the old server:
+
+```bash
+# Service databases and config (stop services first)
+/var/lib/jellyfin/          # Library database, users, metadata, API keys
+/var/lib/sonarr/            # TV library database, config.xml (API key)
+/var/lib/radarr/            # Movie library database, config.xml (API key)
+/var/lib/prowlarr/          # Indexer database, config.xml (API key)
+/var/lib/bazarr/            # Subtitle database and config
+/var/lib/qbittorrent/       # Torrent client config and state
+/var/lib/authelia-main/     # User database and session storage
+
+# Secrets
+/var/secrets/               # Cloudflare token, go2rtc RTSP URL, Authelia secrets
+
+# Media files
+/mnt/storage/               # The mergerfs pool (torrents, media libraries, audiobooks)
+```
+
+Steps:
+
+1. Install NixOS on the new server
+2. Create `hosts/hardware/FredOS-Mediaserver.nix` from the new `/etc/nixos/hardware-configuration.nix` (new disk UUIDs, bootloader config)
+3. Set up the mergerfs pool and mount at `/mnt/storage`
+4. Restore `/var/secrets/` (see Mediaserver secrets section above)
+5. Run `sudo nixos-rebuild switch --flake github:ediblerope/nixos-config#FredOS-Mediaserver`
+6. Stop all services, restore the `/var/lib/` directories listed above, then start services
+7. Update Cloudflare DNS if the server's public IP changed
+
+If starting fresh instead of migrating, the services will self-initialize with empty databases. You'll need to redo initial setup in each web UI (add media libraries in Jellyfin, set root folders in Sonarr/Radarr, configure qBittorrent download paths, etc.). The `arr-interconnect` service will auto-wire the connections between them.
+
 ## Notes
 
 - `hosts/hardware/` files are committed to the repo — they contain UUIDs and disk layout but no sensitive credentials