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Nginx Proxy Manager fails to generate Let's Encrypt certificates using Cloudflare DNSΒ #4635

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@zanatrix

Description

@zanatrix

Describe the bug
Nginx Proxy Manager fails to generate Let's Encrypt certificates using Cloudflare DNS challenge due to package version conflicts between certbot-dns-cloudflare and cloudflare Python packages. The system reports:

  1. pkg_resources.VersionConflict: ( Requirement.parse('certbot>=4.1.1' ,CloudFlare=4) )

Nginx Proxy Manager Version
2.12.4 (Also occurs in latest)

To Reproduce

  1. Set up NPM with Cloudflare DNS credentials
  2. Attempt to request SSL certificate for any domain
  3. System fails with dependency errors

Expected behavior
Clean certificate generation using Cloudflare DNS-01 challenge

Operating System

  • Docker on Ubuntu 22.04
  • Portainer-managed

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