cloudflare-ddns (#4647)

* 'Add new script'

* Update cloudflare-ddns.json

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

install/cloudflare-ddns-install.sh

@@ -0,0 +1,87 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: edoardop13
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/favonia/cloudflare-ddns
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+install_go
+
+msg_info "Configure Application"
+var_cf_api_token="default"
+read -rp "Enter the Cloudflare API token: " var_cf_api_token
+
+var_cf_domains="default"
+read -rp "Enter the domains separated with a comma (*.example.org,www.example.org) " var_cf_domains
+
+var_cf_proxied="false"
+while true; do
+  read -rp "Proxied? (y/n): " answer
+  case "$answer" in
+  [Yy]*)
+    var_cf_proxied="true"
+    break
+    ;;
+  [Nn]*)
+    var_cf_proxied="false"
+    break
+    ;;
+  *) echo "Please answer y or n." ;;
+  esac
+done
+var_cf_ip6_provider="none"
+while true; do
+  read -rp "Enable IPv6 support? (y/n): " answer
+  case "$answer" in
+  [Yy]*)
+    var_cf_ip6_provider="auto"
+    break
+    ;;
+  [Nn]*)
+    var_cf_ip6_provider="none"
+    break
+    ;;
+  *) echo "Please answer y or n." ;;
+  esac
+done
+msg_ok "Configured Application"
+
+msg_info "Setting up service"
+mkdir -p /root/go
+cat <<EOF >/etc/systemd/system/cloudflare-ddns.service
+[Unit]
+Description=Cloudflare DDNS Service (Go run)
+After=network.target
+
+[Service]
+Environment="CLOUDFLARE_API_TOKEN=${var_cf_api_token}"
+Environment="DOMAINS=${var_cf_domains}"
+Environment="PROXIED=${var_cf_proxied}"
+Environment="IP6_PROVIDER=${var_cf_ip6_provider}"
+Environment="GOPATH=/root/go"
+Environment="GOCACHE=/tmp/go-build"
+ExecStart=/usr/bin/go/bin/go run github.com/favonia/cloudflare-ddns/cmd/ddns@latest
+Restart=always
+RestartSec=300
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now cloudflare-ddns
+msg_ok "Setup Service"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+$STD apt-get -y autoremove
+$STD apt-get -y autoclean
+msg_ok "Cleaned"