kopia lustrzana https://github.com/linuxserver/docker-documentation
189 wiersze
9.9 KiB
Markdown
189 wiersze
9.9 KiB
Markdown
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---
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title: duckdns
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---
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<!-- DO NOT EDIT THIS FILE MANUALLY -->
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<!-- Please read the https://github.com/linuxserver/docker-duckdns/blob/master/.github/CONTRIBUTING.md -->
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# [linuxserver/duckdns](https://github.com/linuxserver/docker-duckdns)
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[](https://scarf.sh/gateway/linuxserver-ci/docker/linuxserver%2Fduckdns)
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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://quay.io/repository/linuxserver.io/duckdns)
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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://ci-tests.linuxserver.io/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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## Supported Architectures
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We utilise the docker manifest for multi-platform awareness. More information is available from docker [here](https://github.com/docker/distribution/blob/master/docs/spec/manifest-v2-2.md#manifest-list) and our announcement [here](https://blog.linuxserver.io/2019/02/21/the-lsio-pipeline-project/).
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Simply pulling `lscr.io/linuxserver/duckdns:latest` should retrieve the correct image for your arch, but you can also pull specific arch images via tags.
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The architectures supported by this image are:
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| Architecture | Available | Tag |
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| :----: | :----: | ---- |
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| x86-64 | ✅ | amd64-\<version tag\> |
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| arm64 | ✅ | arm64v8-\<version tag\> |
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| armhf | ❌ | |
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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 (with a random jitter)
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## Usage
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To help you get started creating a container from this image you can either use docker-compose or the docker cli.
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### docker-compose (recommended, [click here for more info](https://docs.linuxserver.io/general/docker-compose))
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```yaml
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---
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version: "2.1"
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services:
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duckdns:
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image: lscr.io/linuxserver/duckdns:latest
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container_name: duckdns
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environment:
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- PUID=1000 #optional
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- PGID=1000 #optional
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- TZ=Etc/UTC #optional
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- SUBDOMAINS=subdomain1,subdomain2
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- TOKEN=token
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- LOG_FILE=false #optional
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volumes:
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- /path/to/appdata/config:/config #optional
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restart: unless-stopped
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```
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### docker cli ([click here for more info](https://docs.docker.com/engine/reference/commandline/cli/))
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```bash
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docker run -d \
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--name=duckdns \
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-e PUID=1000 `#optional` \
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-e PGID=1000 `#optional` \
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-e TZ=Etc/UTC `#optional` \
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-e SUBDOMAINS=subdomain1,subdomain2 \
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-e TOKEN=token \
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-e LOG_FILE=false `#optional` \
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-v /path/to/appdata/config:/config `#optional` \
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--restart unless-stopped \
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lscr.io/linuxserver/duckdns:latest
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```
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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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### Ports (`-p`)
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| Parameter | Function |
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### Environment Variables (`-e`)
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| Env | Function |
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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=Etc/UTC` | specify a timezone to use, see this [list](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List). |
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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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### Volume Mappings (`-v`)
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| Volume | Function |
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| :----: | --- |
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| `/config` | Used in conjunction with logging to file. |
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#### Miscellaneous Options
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| Parameter | Function |
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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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```bash
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-e FILE__PASSWORD=/run/secrets/mysecretpassword
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```
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Will set the environment variable `PASSWORD` based on the contents of the `/run/secrets/mysecretpassword` file.
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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.
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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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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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```bash
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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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## Docker Mods
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[](https://mods.linuxserver.io/?mod=duckdns "view available mods for this container.") [](https://mods.linuxserver.io/?mod=universal "view available universal mods.")
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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) as well as universal mods that can be applied to any one of our images can be accessed via the dynamic badges above.
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## Support Info
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* Shell access whilst the container is running:
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* `docker exec -it duckdns /bin/bash`
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* To monitor the logs of the container in realtime:
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* `docker logs -f duckdns`
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* Container version number
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* `docker inspect -f '{{ index .Config.Labels "build_version" }}' duckdns`
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* Image version number
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* `docker inspect -f '{{ index .Config.Labels "build_version" }}' lscr.io/linuxserver/duckdns:latest`
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## Versions
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* **25.05.23:** - Rebase to Alpine 3.18, deprecate armhf.
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* **02.03.23:** - Rework shell scripts and cron logic.
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* **13.02.23:** - Rebase to alpine 3.17.
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* **23.09.22:** - Rebase to alpine 3.16 and s6v3.
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* **19.09.22:** - Rebase to alpine 3.15.
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* **17.05.22:** - Don't allow insecure connections and add timeout.
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* **17.05.22:** - Add random jitter to update time.
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* **23.02.22:** - Append to log file instead of overwriting every time.
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* **03.05.21:** - Re-adjust cron timings to prevent peak times, update code formatting.
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* **23.01.21:** - Rebasing to alpine 3.13.
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* **01.06.20:** - Rebasing to alpine 3.12.
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* **13.04.20:** - Add donation links for DuckDNS.
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* **19.12.19:** - Rebasing to alpine 3.11.
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* **24.09.19:** - Fix perms on github and remove chmod that can stall the container.
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* **28.06.19:** - Rebasing to alpine 3.10.
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* **23.03.19:** - Switching to new Base images, shift to arm32v7 tag.
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* **22.02.19:** - Rebasing to alpine 3.9.
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* **08.02.19:** - Update readme with optional parameters.
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* **10.12.18:** - Fix docker compose example.
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* **15.10.18:** - Multi-arch image.
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* **22.08.18:** - Rebase to alpine 3.8.
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* **08.12.17:** - Rebase to alpine 3.7.
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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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