Simple client-server DDNS setup for personal use.
Server with static public IP address or domain name, i.e ddns.bar.com
Domain used with DigitalOcean DNS, i.e bar.com
DigitalOcean API token (Obtain a token using the API section in DigitalOcean UI)
Home router with public, but dynamic IP (This project is not a tunneling solution )
Parameter
Default
Required
Description
MODE
client
true
Describes mode in which application running, set to server to run as IP server
HEADER
none
false
Defines which header will contain IP value. Otherwise IP from request will be taken.
PORT
8080
false
Port on which application will be listening
HOST
0.0.0.0
false
Host on which application will be listening
Parameter
Default
Required
Description
MODE
client
false
Describes mode in which application running, omit or set to client to run as DNS updater
SERVER_URL
none
true
URL to endpoint that returns IP
CHECK_PERIOD
5m
false
Period of time between checks for IP change
REQUEST_TIMEOUT
30s
false
Timeout for request to server
ATTEMPTS_BEFORE_WARNING
5
false
Number of attempts to make before warning about failed request
Parameter
Default
Required
Description
DIGITALOCEAN_TOKEN
none
true
Token to access DigitalOcean API
DIGITALOCEAN_DOMAIN_NAME
none
true
Domain name to update, example: bar.com
DIGITALOCEAN_SUBDOMAIN
none
true
Subdomain to update, example: foo (for foo.bar.com)
Parameter
Default
Required
Description
CLOUDFLARE_TOKEN
none
true
Token to access Cloudflare API
CLOUDFLARE_DOMAIN_NAME
none
true
Domain name to update, example: foo.bar.com
CLOUDFLARE_ZONE_ID
none
true
Cloudflare Zone Id
Telegram channel for notifications Set TELEGRAM_TOKEN and TELEGRAM_CHAT_ID environment variables to enable notifications about IP changes and warning.
