Added CloudFlare DDNS (#560)

* Added CloudFlare DDNS

* Update cloudflareddns.yml

Done!

public/v4/apps/cloudflareddns.yml

@@ -0,0 +1,93 @@
+captainVersion: 4
+services:
+    $$cap_appname:
+        image: oznu/cloudflare-ddns:latest
+        environment:
+            API_KEY: $$cap_api_key
+            ZONE: $$cap_zone
+            SUBDOMAIN: $$cap_subdomain
+            PROXIED: $$cap_proxied
+            RRTYPE: $$cap_rrtype
+            DNS_SERVER: $$cap_dns_server
+            CRON: $$cap_cron
+        caproverExtra:
+            notExposeAsWebApp: 'true'
+caproverOneClickApp:
+    variables:
+        - id: $$cap_api_key
+          label: Cloudflare API token
+          defaultValue: ''
+          description: Your CloudFlare scoped API token. See the Creating a Cloudflare API token upward.
+          validRegex: /.{1,}/
+        - id: $$cap_zone
+          label: DNS zone
+          defaultValue: $$cap_root_domain
+          description: The DNS zone that DDNS updates should be applied to. Defaults to your CapRover root domain.
+          validRegex: /.{1,}/
+        - id: $$cap_subdomain
+          label: Zone's subdomain
+          defaultValue: '*'
+          description: A subdomain of the ZONE to write DNS changes to. If this is not supplied the root zone will be used. Defaults to your CapRover apps subdomains.
+        - id: $$cap_proxied
+          label: Proxied?
+          defaultValue: 'false'
+          description: If you are using free ClourFlare tier, leave as false. Set to true to make traffic go through the CloudFlare CDN.
+          validRegex: /.{1,}/
+        - id: $$cap_rrtype
+          label: Resource record type
+          defaultValue: 'A'
+          description: Set to AAAA to use set IPv6 records instead of IPv4 records. Defaults to A for IPv4 records.
+          validRegex: /.{1,}/
+        - id: $$cap_dns_server
+          label: DNS server
+          defaultValue: '1.1.1.1'
+          description: Set to the IP address of the DNS server you would like to use. Defaults to 1.1.1.1 (CloudFlare DNS) otherwise.
+          validRegex: /.{1,}/
+        - id: $$cap_cron
+          label: Cron
+          defaultValue: '*/5 * * * *'
+          description: Sets how often your container checks for IP changes. Defaults to every 5 minutes. You can read more about CRON configuration here https://en.wikipedia.org/wiki/Cron
+          validRegex: /.{1,}/
+    instructions:
+        start: >-
+            This small Alpine Linux based Docker image will allow you to use the free CloudFlare DNS Service as a Dynamic DNS Provider (DDNS).
+
+            Default values are tuned to work with CapRover.
+
+
+
+            To create a CloudFlare API token for your DNS zone go to https://dash.cloudflare.com/profile/api-tokens and follow these steps:
+
+
+
+            1 - Click Create Token
+
+
+
+            2 - Provide the token a name, for example, cloudflare-ddns
+
+
+
+            3 - Grant the token the following permissions:
+
+            Zone - Zone Settings - Read
+
+            Zone - Zone - Read
+
+            Zone - DNS - Edit
+
+
+
+            4 - Set the zone resources to:
+
+            Include - All zones
+
+
+
+            5 - Complete the wizard and copy the generated token into the Cloudflare API token field
+        end: >-
+            Cloudflare DDNS has been successfully deployed.
+    displayName: CloudFlare DDNS
+    isOfficial: false
+    description: This small image will allow you to use the free CloudFlare DNS Service as a Dynamic DNS Provider (DDNS).
+    documentation: Taken from https://github.com/oznu/docker-cloudflare-ddns