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# DDclient in docker
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###### guide by example
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# Purpose
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Automatic DNS entries update. Useful if no static IP from ISP.
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* [Official site](https://sourceforge.net/p/ddclient/wiki/usage/)
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* [Github](https://github.com/ddclient/ddclient)
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* [DockerHub](https://hub.docker.com/r/linuxserver/ddclient)
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# Files and directory structure
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```
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/home
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└── ~
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└── docker
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└── ddclient
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├── 🗋 .env
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├── 🗋 docker-compose.yml
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└── 🗋 ddclient.conf
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```
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# docker-compose
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[Based on linuxserver.io](https://hub.docker.com/r/linuxserver/ddclient).
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`docker-compose.yml`
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```yml
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version: "2.1"
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services:
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ddclient:
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image: linuxserver/ddclient
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hostname: ddclient
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container_name: ddclient
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restart: unless-stopped
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env_file: .env
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volumes:
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- ./ddclient.conf:/config/ddclient.conf
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restart: unless-stopped
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```
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`.env`
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```bash
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# GENERAL
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MY_DOMAIN=blabla.org
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DEFAULT_NETWORK=caddy_net
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TZ=Europe/Prague
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#LINUXSERVER.IO
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PUID=1000
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PGID=1000
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```
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# Configuration
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Official ddclient config example
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[here](https://github.com/ddclient/ddclient/blob/master/sample-etc_ddclient.conf).</br>
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Make sure A-records exist on cloudflare.
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`ddclient.conf`
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```bash
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daemon=600
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syslog=yes
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mail=root
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mail-failure=root
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pid=/var/run/ddclient/ddclient.pid
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ssl=yes
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use=web, web=checkip.dyndns.org/, web-skip='IP Address'
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wildcard=yes
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##
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## CloudFlare (www.cloudflare.com)
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##
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protocol=cloudflare, \
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zone=blabla.org, \
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ttl=1, \
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login=bastard.blabla@gmail.com, \
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password=global-api-key-goes-here \
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blabla.org,*.blabla.org,subdomain.blabla.org
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protocol=cloudflare, \
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zone=blabla.tech, \
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ttl=1, \
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login=bastard.blabla@gmail.com, \
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password=global-api-key-goes-here \
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blabla.net,*.blabla.net,whatever.blabla.org
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```
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# Update
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* [watchtower](https://github.com/DoTheEvo/selfhosted-apps-docker/tree/master/watchtower)
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updates the image automaticly
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* manual image update</br>
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`docker-compose pull`</br>
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`docker-compose up -d`</br>
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`docker image prune`
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