Shipping HTTPS with Traefik + Cloudflare

Summary

Lessons learned from ACME challenges, strict SSL modes, and resilient deployment flows.

Tools Required

Blog Post

TLS on paper is simple, but edge conditions matter: DNS propagation, proxy mode, and ACME challenge strategy can each break issuance in subtle ways.

When using Cloudflare proxy mode, dnsChallenge is often the safest long-term route for automatic cert renewals.

Lessons Learned

• Challenge type must match DNS/proxy topology.
• Rate limits make iterative debugging expensive—fix root cause first.