homelab-docs/config-summary.md

Linode Homelab Configuration Summary (Dec 2025)

1. Hardware & OS

• Provider: Linode (Akamai) - Chicago (US-ORD)
• Plan: Shared CPU 2GB RAM / 50GB NVMe
• OS: Ubuntu 24.04 LTS
• Primary User: drew (Sudo & Docker groups)
• Host Security: Disk Encryption enabled (Platform-managed)

2. Storage Architecture

• Volume: 20GB Block Storage (Encrypted)
• Mount Point: /mnt/docker_data
• Symlink: /opt/docker -> /mnt/docker_data (All Docker files live here)
• Mount Logic: Persistent via /etc/fstab with noatime,nofail.

3. Docker Networking

• web_gateway: External bridge network for Cloudflare Tunnel connectivity.
• db_network: External bridge network for centralized database connectivity.

4. Active Containers

• global_postgres: PostgreSQL 16 (Universal DB).
  • Location: /opt/docker/global-db
  • Features: Automatic multi-DB creation via init-script.
• gitea: Self-hosted Git.
  • Location: /opt/docker/gitea
  • DB: Universal DB (Postgres)
  • Access: Via Cloudflare Tunnel (git.yourdomain.com)
• cloudflared-tunnel: Outbound tunnel to Cloudflare Edge.
  • Location: /opt/docker/cloudflared

5. Security Model

• Inbound: Restricted to SSH (Port 22).
• Web Access: No open ports (80/443/3000). All traffic enters via outbound Cloudflare Tunnel.