Add disaster-recovery.md

disaster-recovery.md

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+# 🚨 Disaster Recovery Plan (DRP)
+
+## 📋 Prerequisites
+1. New Linode Instance (Ubuntu 22.04).
+2. Linode Object Storage Access Keys (Access/Secret).
+3. Cloudflare Tunnel Token.
+
+## 🏃 Recovery Steps
+
+### 1. Install Docker & Rclone
+```bash
+curl -fsSL [https://get.docker.com](https://get.docker.com) -o get-docker.sh && sh get-docker.sh
+sudo apt install rclone -y
+```
+
+### 2. Configure Storage & Pull Backups
+Configure rclone config to point to linode-s3. Then pull the latest data:
+```bash
+mkdir -p /opt/docker/backups/recovery
+rclone copy linode-s3:davisdre-backups-chicago/daily /opt/docker/backups/recovery --latest-only
+```
+### 3. Restore Global Database
+Start the global-db container with an empty volume.
+Restore the SQL dump:
+```bash
+gunzip -c /opt/docker/backups/recovery/postgres_full_DATE.sql.gz | docker exec -i global_postgres psql -U postgres
+```
+### 4. Restore App Files
+Extract the application data to their respective folders:
+```bash
+# Note: Ensure the paths in the tar match your /opt/docker structure
+tar -xzf /opt/docker/backups/recovery/app_files_DATE.tar.gz -C /
+```
+### 5. Launch Services
+```bash
+cd /opt/docker/dashboard && docker compose up -d
+cd /opt/docker/gitea && docker compose up -d
+cd /opt/docker/linkwarden && docker compose up -d
+cd /opt/docker/freshrss && docker compose up -d
+cd /opt/docker/memos && docker compose up -d
+cd /opt/docker/surmai && docker compose up -d
+```