Run Cloudflare Tunnel with Docker in 5 Minutes

No public IP, no port forwarding, no reverse proxy headaches — but you still want to expose your service securely?

That’s exactly where Cloudflare Tunnel (cloudflared) shines ✨

In this post, we’ll quickly walk through a small but powerful Bash script that runs Cloudflare Tunnel using Docker.

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🎯 Goal

• 🔒 Keep your server private
• 🌍 Let Cloudflare handle public traffic
• 🐳 Run everything in Docker
• 🎟️ Authenticate using a Tunnel Token

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🧾 Bash Script

bash
#!/usr/bin/env bash
set -euo pipefail

CONTAINER="cloudflared"
IMAGE="cloudflare/cloudflared:2025.11.1"
TUNNEL_TOKEN="eyJhIjo..."

docker run -d \
  --name "$CONTAINER" \
  --restart unless-stopped \
  --network app-net \
  "$IMAGE" \
  tunnel --no-autoupdate run --token "$TUNNEL_TOKEN"