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# linuxserver/duckdns # [linuxserver/duckdns](https://github.com/linuxserver/docker-duckdns)
[![GitHub Stars](https://img.shields.io/github/stars/linuxserver/docker-duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&logo=github)](https://github.com/linuxserver/docker-duckdns) [![GitHub Release](https://img.shields.io/github/release/linuxserver/docker-duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&logo=github)](https://github.com/linuxserver/docker-duckdns/releases) [![GitHub Package Repository](https://img.shields.io/static/v1.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=linuxserver.io&message=GitHub%20Package&logo=github)](https://github.com/linuxserver/docker-duckdns/packages) [![GitLab Container Registry](https://img.shields.io/static/v1.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=linuxserver.io&message=GitLab%20Registry&logo=gitlab)](https://gitlab.com/Linuxserver.io/docker-duckdns/container_registry) [![MicroBadger Layers](https://img.shields.io/microbadger/layers/linuxserver/duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge)](https://microbadger.com/images/linuxserver/duckdns) [![Docker Pulls](https://img.shields.io/docker/pulls/linuxserver/duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=pulls&logo=docker)](https://hub.docker.com/r/linuxserver/duckdns) [![Docker Stars](https://img.shields.io/docker/stars/linuxserver/duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=stars&logo=docker)](https://hub.docker.com/r/linuxserver/duckdns) [![Jenkins Build](https://img.shields.io/jenkins/build?labelColor=555555&logoColor=ffffff&style=for-the-badge&jobUrl=https%3A%2F%2Fci.linuxserver.io%2Fjob%2FDocker-Pipeline-Builders%2Fjob%2Fdocker-duckdns%2Fjob%2Fmaster%2F&logo=jenkins)](https://ci.linuxserver.io/job/Docker-Pipeline-Builders/job/docker-duckdns/job/master/) [![LSIO CI](https://img.shields.io/badge/dynamic/yaml?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=CI&query=CI&url=https%3A%2F%2Flsio-ci.ams3.digitaloceanspaces.com%2Flinuxserver%2Fduckdns%2Flatest%2Fci-status.yml)](https://lsio-ci.ams3.digitaloceanspaces.com/linuxserver/duckdns/latest/index.html) [![GitHub Stars](https://img.shields.io/github/stars/linuxserver/docker-duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&logo=github)](https://github.com/linuxserver/docker-duckdns)
[![GitHub Release](https://img.shields.io/github/release/linuxserver/docker-duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&logo=github)](https://github.com/linuxserver/docker-duckdns/releases)
[![GitHub Package Repository](https://img.shields.io/static/v1.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=linuxserver.io&message=GitHub%20Package&logo=github)](https://github.com/linuxserver/docker-duckdns/packages)
[![GitLab Container Registry](https://img.shields.io/static/v1.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=linuxserver.io&message=GitLab%20Registry&logo=gitlab)](https://gitlab.com/Linuxserver.io/docker-duckdns/container_registry)
[![MicroBadger Layers](https://img.shields.io/microbadger/layers/linuxserver/duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge)](https://microbadger.com/images/linuxserver/duckdns "Get your own version badge on microbadger.com")
[![Docker Pulls](https://img.shields.io/docker/pulls/linuxserver/duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=pulls&logo=docker)](https://hub.docker.com/r/linuxserver/duckdns)
[![Docker Stars](https://img.shields.io/docker/stars/linuxserver/duckdns.svg?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=stars&logo=docker)](https://hub.docker.com/r/linuxserver/duckdns)
[![Jenkins Build](https://img.shields.io/jenkins/build?labelColor=555555&logoColor=ffffff&style=for-the-badge&jobUrl=https%3A%2F%2Fci.linuxserver.io%2Fjob%2FDocker-Pipeline-Builders%2Fjob%2Fdocker-duckdns%2Fjob%2Fmaster%2F&logo=jenkins)](https://ci.linuxserver.io/job/Docker-Pipeline-Builders/job/docker-duckdns/job/master/)
[![LSIO CI](https://img.shields.io/badge/dynamic/yaml?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=CI&query=CI&url=https%3A%2F%2Flsio-ci.ams3.digitaloceanspaces.com%2Flinuxserver%2Fduckdns%2Flatest%2Fci-status.yml)](https://lsio-ci.ams3.digitaloceanspaces.com/linuxserver/duckdns/latest/index.html)
[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. [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.
## Supported Architectures ## Supported Architectures
@ -13,18 +21,19 @@ Simply pulling `linuxserver/duckdns` should retrieve the correct image for your
The architectures supported by this image are: The architectures supported by this image are:
| Architecture | Tag | | Architecture | Tag |
| :---: | :--- | | :----: | --- |
| x86-64 | amd64-latest | | x86-64 | amd64-latest |
| arm64 | arm64v8-latest | | arm64 | arm64v8-latest |
| armhf | arm32v7-latest | | armhf | arm32v7-latest |
## Usage ## Usage
Here are some example snippets to help you get started creating a container from this image. Here are some example snippets to help you get started creating a container from this image.
### docker ### docker
```text ```
docker create \ docker create \
--name=duckdns \ --name=duckdns \
-e PUID=1000 `#optional` \ -e PUID=1000 `#optional` \
@ -38,6 +47,7 @@ docker create \
linuxserver/duckdns linuxserver/duckdns
``` ```
### docker-compose ### docker-compose
Compatible with docker-compose v2 schemas. Compatible with docker-compose v2 schemas.
@ -64,38 +74,40 @@ services:
## Parameters ## Parameters
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. 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.
### Ports \(`-p`\) ### Ports (`-p`)
| Parameter | Function | | Parameter | Function |
| :---: | :--- | | :----: | --- |
### Environment Variables \(`-e`\) ### Environment Variables (`-e`)
| Env | Function | | Env | Function |
| :---: | :--- | | :----: | --- |
| `PUID=1000` | for UserID - see below for explanation | | `PUID=1000` | for UserID - see below for explanation |
| `PGID=1000` | for GroupID - see below for explanation | | `PGID=1000` | for GroupID - see below for explanation |
| `TZ=Europe/London` | Specify a timezone to use EG Europe/London | | `TZ=Europe/London` | Specify a timezone to use EG Europe/London |
| `SUBDOMAINS=subdomain1,subdomain2` | multiple subdomains allowed, comma separated, no spaces | | `SUBDOMAINS=subdomain1,subdomain2` | multiple subdomains allowed, comma separated, no spaces |
| `TOKEN=token` | DuckDNS token | | `TOKEN=token` | DuckDNS token |
| `LOG_FILE=false` | Set to `true` to log to file \(also need to map /config\). | | `LOG_FILE=false` | Set to `true` to log to file (also need to map /config). |
### Volume Mappings \(`-v`\) ### Volume Mappings (`-v`)
| Volume | Function | | Volume | Function |
| :---: | :--- | | :----: | --- |
| `/config` | Used in conjunction with logging to file. | | `/config` | Used in conjunction with logging to file. |
## Environment variables from files \(Docker secrets\)
## Environment variables from files (Docker secrets)
You can set any environment variable from a file by using a special prepend `FILE__`. You can set any environment variable from a file by using a special prepend `FILE__`.
As an example: As an example:
```text ```
-e FILE__PASSWORD=/run/secrets/mysecretpassword -e FILE__PASSWORD=/run/secrets/mysecretpassword
``` ```
@ -103,32 +115,35 @@ Will set the environment variable `PASSWORD` based on the contents of the `/run/
## Umask for running applications ## Umask for running applications
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. 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.
## User / Group Identifiers ## User / Group Identifiers
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`. 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`.
Ensure any volume directories on the host are owned by the same user you specify and any permissions issues will vanish like magic. Ensure any volume directories on the host are owned by the same user you specify and any permissions issues will vanish like magic.
In this instance `PUID=1000` and `PGID=1000`, to find yours use `id user` as below: In this instance `PUID=1000` and `PGID=1000`, to find yours use `id user` as below:
```text ```
$ id username $ id username
uid=1000(dockeruser) gid=1000(dockergroup) groups=1000(dockergroup) uid=1000(dockeruser) gid=1000(dockergroup) groups=1000(dockergroup)
``` ```
## Application Setup ## Application Setup
* Go to the [duckdns website](https://duckdns.org/), register your subdomain\(s\) and retrieve your token - Go to the [duckdns website](https://duckdns.org/), register your subdomain(s) and retrieve your token
* Create a container with your subdomain\(s\) and token - Create a container with your subdomain(s) and token
* It will update your IP with the DuckDNS service every 5 minutes - It will update your IP with the DuckDNS service every 5 minutes
## Docker Mods ## Docker Mods
[![Docker Mods](https://img.shields.io/badge/dynamic/yaml?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=mods&query=%24.mods%5B%27duckdns%27%5D.mod_count&url=https%3A%2F%2Fraw.githubusercontent.com%2Flinuxserver%2Fdocker-mods%2Fmaster%2Fmod-list.yml)](https://mods.linuxserver.io/?mod=duckdns "view available mods for this container.")
[![Docker Mods](https://img.shields.io/badge/dynamic/yaml?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=mods&query=%24.mods%5B%27duckdns%27%5D.mod_count&url=https%3A%2F%2Fraw.githubusercontent.com%2Flinuxserver%2Fdocker-mods%2Fmaster%2Fmod-list.yml)](https://mods.linuxserver.io/?mod=duckdns) 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.
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.
## Support Info ## Support Info
@ -158,4 +173,3 @@ We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to
* **28.05.17:** - Rebase to alpine 3.6. * **28.05.17:** - Rebase to alpine 3.6.
* **09.02.17:** - Rebase to alpine 3.5. * **09.02.17:** - Rebase to alpine 3.5.
* **17.11.16:** - Initial release. * **17.11.16:** - Initial release.