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Bot Updating Documentation
LinuxServer-CI
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# linuxserver/duckdns
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# [linuxserver/duckdns](https://github.com/linuxserver/docker-duckdns)
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[](https://github.com/linuxserver/docker-duckdns) [](https://github.com/linuxserver/docker-duckdns/releases) [](https://github.com/linuxserver/docker-duckdns/packages) [](https://gitlab.com/Linuxserver.io/docker-duckdns/container_registry) [](https://microbadger.com/images/linuxserver/duckdns) [](https://hub.docker.com/r/linuxserver/duckdns) [](https://hub.docker.com/r/linuxserver/duckdns) [](https://ci.linuxserver.io/job/Docker-Pipeline-Builders/job/docker-duckdns/job/master/) [](https://lsio-ci.ams3.digitaloceanspaces.com/linuxserver/duckdns/latest/index.html)
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[](https://github.com/linuxserver/docker-duckdns)
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[](https://github.com/linuxserver/docker-duckdns/releases)
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[](https://github.com/linuxserver/docker-duckdns/packages)
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[](https://gitlab.com/Linuxserver.io/docker-duckdns/container_registry)
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[](https://microbadger.com/images/linuxserver/duckdns "Get your own version badge on microbadger.com")
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[](https://hub.docker.com/r/linuxserver/duckdns)
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[](https://hub.docker.com/r/linuxserver/duckdns)
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[](https://ci.linuxserver.io/job/Docker-Pipeline-Builders/job/docker-duckdns/job/master/)
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[](https://lsio-ci.ams3.digitaloceanspaces.com/linuxserver/duckdns/latest/index.html)
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[Duckdns](https://duckdns.org/) is a free service which will point a DNS \(sub domains of duckdns.org\) to an IP of your choice. The service is completely free, and doesn't require reactivation or forum posts to maintain its existence.
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[Duckdns](https://duckdns.org/) is a free service which will point a DNS (sub domains of duckdns.org) to an IP of your choice. The service is completely free, and doesn't require reactivation or forum posts to maintain its existence.
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## Supported Architectures
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@ -13,18 +21,19 @@ Simply pulling `linuxserver/duckdns` should retrieve the correct image for your
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The architectures supported by this image are:
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| Architecture | Tag |
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| :---: | :--- |
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| :----: | --- |
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| x86-64 | amd64-latest |
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| arm64 | arm64v8-latest |
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| armhf | arm32v7-latest |
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## Usage
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Here are some example snippets to help you get started creating a container from this image.
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### docker
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```text
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```
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docker create \
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--name=duckdns \
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-e PUID=1000 `#optional` \
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@ -38,6 +47,7 @@ docker create \
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linuxserver/duckdns
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```
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### docker-compose
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Compatible with docker-compose v2 schemas.
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@ -64,38 +74,40 @@ services:
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## Parameters
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Docker images are configured using parameters passed at runtime \(such as those above\). These parameters are separated by a colon and indicate `<external>:<internal>` respectively. For example, `-p 8080:80` would expose port `80` from inside the container to be accessible from the host's IP on port `8080` outside the container.
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Docker images are configured using parameters passed at runtime (such as those above). These parameters are separated by a colon and indicate `<external>:<internal>` respectively. For example, `-p 8080:80` would expose port `80` from inside the container to be accessible from the host's IP on port `8080` outside the container.
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### Ports \(`-p`\)
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### Ports (`-p`)
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| Parameter | Function |
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| :---: | :--- |
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| :----: | --- |
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### Environment Variables \(`-e`\)
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### Environment Variables (`-e`)
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| Env | Function |
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| :---: | :--- |
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| :----: | --- |
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| `PUID=1000` | for UserID - see below for explanation |
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| `PGID=1000` | for GroupID - see below for explanation |
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| `TZ=Europe/London` | Specify a timezone to use EG Europe/London |
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| `SUBDOMAINS=subdomain1,subdomain2` | multiple subdomains allowed, comma separated, no spaces |
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| `TOKEN=token` | DuckDNS token |
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| `LOG_FILE=false` | Set to `true` to log to file \(also need to map /config\). |
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| `LOG_FILE=false` | Set to `true` to log to file (also need to map /config). |
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### Volume Mappings \(`-v`\)
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### Volume Mappings (`-v`)
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| Volume | Function |
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| :---: | :--- |
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| :----: | --- |
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| `/config` | Used in conjunction with logging to file. |
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## Environment variables from files \(Docker secrets\)
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## Environment variables from files (Docker secrets)
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You can set any environment variable from a file by using a special prepend `FILE__`.
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As an example:
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```text
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```
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-e FILE__PASSWORD=/run/secrets/mysecretpassword
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```
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@ -103,32 +115,35 @@ Will set the environment variable `PASSWORD` based on the contents of the `/run/
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## Umask for running applications
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For all of our images we provide the ability to override the default umask settings for services started within the containers using the optional `-e UMASK=022` setting. Keep in mind umask is not chmod it subtracts from permissions based on it's value it does not add. Please read up [here](https://en.wikipedia.org/wiki/Umask) before asking for support.
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For all of our images we provide the ability to override the default umask settings for services started within the containers using the optional `-e UMASK=022` setting.
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Keep in mind umask is not chmod it subtracts from permissions based on it's value it does not add. Please read up [here](https://en.wikipedia.org/wiki/Umask) before asking for support.
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## User / Group Identifiers
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When using volumes \(`-v` flags\), permissions issues can arise between the host OS and the container, we avoid this issue by allowing you to specify the user `PUID` and group `PGID`.
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When using volumes (`-v` flags), permissions issues can arise between the host OS and the container, we avoid this issue by allowing you to specify the user `PUID` and group `PGID`.
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Ensure any volume directories on the host are owned by the same user you specify and any permissions issues will vanish like magic.
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In this instance `PUID=1000` and `PGID=1000`, to find yours use `id user` as below:
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```text
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```
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$ id username
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uid=1000(dockeruser) gid=1000(dockergroup) groups=1000(dockergroup)
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```
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## Application Setup
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* Go to the [duckdns website](https://duckdns.org/), register your subdomain\(s\) and retrieve your token
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* Create a container with your subdomain\(s\) and token
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* It will update your IP with the DuckDNS service every 5 minutes
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- Go to the [duckdns website](https://duckdns.org/), register your subdomain(s) and retrieve your token
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- Create a container with your subdomain(s) and token
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- It will update your IP with the DuckDNS service every 5 minutes
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## Docker Mods
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[](https://mods.linuxserver.io/?mod=duckdns "view available mods for this container.")
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[](https://mods.linuxserver.io/?mod=duckdns)
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We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to enable additional functionality within the containers. The list of Mods available for this image (if any) can be accessed via the dynamic badge above.
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We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to enable additional functionality within the containers. The list of Mods available for this image \(if any\) can be accessed via the dynamic badge above.
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## Support Info
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@ -158,4 +173,3 @@ We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to
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* **28.05.17:** - Rebase to alpine 3.6.
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* **09.02.17:** - Rebase to alpine 3.5.
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* **17.11.16:** - Initial release.
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