System Requirements

Server Requirements

Minimum

• OS: Ubuntu 22.04 LTS or Debian 12
• CPU: 1 vCPU
• RAM: 1 GB
• Storage: 20 GB SSD
• Network: Public IPv4 address

Recommended

• OS: Ubuntu 24.04 LTS
• CPU: 2+ vCPUs
• RAM: 2+ GB
• Storage: 40+ GB SSD
• Network: Public IPv4 + IPv6

Software

• Docker 24.0+
• Docker Compose 2.0+
• Traefik 3.0+ (for TLS termination)

macOS App Requirements

• OS: macOS 14.0 (Sonoma) or later
• Architecture: Apple Silicon (M1/M2/M3) or Intel
• Storage: 50 MB free space

Network Requirements

Ports

The server needs these ports accessible:

Port	Protocol	Purpose
80	TCP	HTTP (redirects to HTTPS)
443	TCP	HTTPS + WebSocket

Firewall

If using UFW:

ufw allow 22/tcp   # SSH
ufw allow 80/tcp   # HTTP
ufw allow 443/tcp  # HTTPS
ufw enable

Domain Requirements

You need a domain with the ability to:

1. Create A records pointing to your VPS
2. Create wildcard subdomains (*.expose.domain.com)
3. Use DNS-01 challenge for TLS (if using Let’s Encrypt wildcards)

Supported DNS Providers for DNS-01

For automatic wildcard TLS certificates via Traefik:

• OVH
• Cloudflare
• AWS Route 53
• Google Cloud DNS
• DigitalOcean
• And many more via lego

VPS Providers

Expose works with any VPS provider. Popular options:

Provider	Minimum Plan	Notes
Hetzner	CX11 (~€4/mo)	Great value, EU data centers
DigitalOcean	Basic ($6/mo)	Easy setup, good docs
Vultr	Cloud Compute ($6/mo)	Many locations
Linode	Nanode ($5/mo)	Good performance
OVH	VPS Starter (~€4/mo)	EU focused

Browser Support

The web dashboard supports:

• Safari 17+
• Chrome 120+
• Firefox 120+
• Edge 120+