Merge pull request 'Upload runbook for speedtest setup' (#12) from docker into main

Reviewed-on: #12

Docker/Speed-test/Speedtest.md

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+# Speedtest Tracker (LinuxServer.io) – Installation Runbook
+
+## Purpose
+Deploy **Speedtest Tracker** using the **LinuxServer.io Docker image** to automatically track internet performance over time using Ookla Speedtest.
+
+This runbook covers:
+- Application key requirements
+- Docker Compose configuration
+- Initial access and login
+- Validation checks
+
+---
+
+## 1. Prerequisites
+
+- Docker and Docker Compose installed
+- A persistent storage location available on the host
+- LAN access to the host
+- Known timezone (e.g. `Pacific/Auckland`)
+
+---
+
+## 2. Application Key (APP_KEY)
+
+⚠️ **Mandatory** – the container will refuse to start without an application key.
+
+The LinuxServer.io image **does not generate an APP_KEY automatically**.  
+A valid key **must be generated externally** and provided via environment variables **before the container starts**.
+
+### Important notes
+- The key must be in `base64:` format
+- The key must remain stable for the lifetime of the deployment
+- Regenerating the key later will invalidate encrypted data
+
+---
+
+## 3. Create Docker Compose File
+
+Create or edit `docker-compose.yml`:
+
+```
+services:
+  speedtest-tracker:
+    image: lscr.io/linuxserver/speedtest-tracker:latest
+    container_name: speedtest-tracker
+    restart: unless-stopped
+    ports:
+      - "8765:80"
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=Pacific/Auckland
+      - DISPLAY_TIMEZONE=Pacific/Auckland
+      - APP_KEY=base64:REDACTED
+      - APP_URL=http://192.168.50.253:8765
+      - DB_CONNECTION=sqlite
+      - SPEEDTEST_SCHEDULE=0 * * * *
+    volumes:
+      - /mnt/storage01/docker/speedtest-tracker:/config
+```
+
+## 4. Prepare Persistent Storage
+
+Ensure the host directory exists and is owned by the configured PUID/PGID.
+
+```
+bash
+mkdir -p /mnt/storage01/docker/speedtest-tracker
+chown -R 1000:1000 /mnt/storage01/docker/speedtest-tracker
+```
+
+## 5. Start the Container
+
+Start the service using Docker Compose:
+
+```
+bash
+docker compose up -d
+```
+
+## 6.  Access the site 
+
+```
+http://<IP_ADDRESS>:8765
+```
+
+## 7.  Initial Login
+
+The LinuxServer.io image includes a pre-seeded default administrator account.
+Use the following credentials to log in for the first time:
+
+```
+Email:    admin@example.com
+Password: password
+```
+
+## 8.  User Account
+
+Now go create a new user, made it an administrator.
+Logout as admin, and sign in with newly create account.
+Change the admin again to a user account, delete the guest account.
+
+
+## FIN