Running Nextcloud on TrueNAS behind Nginx Reverse Proxy

How I got mine to work with Nextcloud running on TrueNAS using a Rpi 3 my DNS provider & Nginx Proxy.

Cloudflare

• Create an A record pointing domain to private address of your Nginx Proxy Manager: npm.example.com
• Create a CNAME record for all subdomains: *.example.com

Pi-hole (Docker Tag 2024.07.0 Pi-hole v5.18.3 FTL v5.25.2 Web Interface v5.21) configuration

• Add DNS record pointing to the Nginx Proxy Manager host: npm.example.com -> 192.168.x.x
• Add a CNAME record: nc.example.com -> npm.example.com

TrueNAS (ElectricEel-24.10.0.2) Config

• clear the Host name field
• Use the truenas_default certificate
• No additional environment variables
• Uncheck Use different port for URL rewrites
• Port 9001

Nginx Proxy Manager (v2.12.1)

• Proxy Host entry:

  • Domain Names: nc.example.com
  • Scheme: https
  • Forward Hostname / IP: Truenas' private ip on my network
  • Port: 9001
  • Custom Nginx Config:

    client_body_buffer_size 512k;
    proxy_read_timeout 86400s;
    client_max_body_size 0;
  

• SSL Certificate creation:

  • Follow Step 2 from this tutorial

Nextcloud config.php modifications

• 'overwrite.cli.url' => 'https://nc.example.com'
• 'overwritehost' => 'nc.example.com'
• 'overwriteprotocol' => 'https'
• Add nc.example.com to trusted_domains
• Add Pihole's ip address to trusted_proxies
• I'd also back this file up as I don't know what will happen to it during an update through TrueNAS