ExtDNS for docker-compose
ExtDNS synchronizes labeled records in docker-compose with DNS providers.
Inspired by External DNS, ExtDNS makes resources discoverable via public DNS. It retrieves a list of records from Docker's labels and creates it in public DNS.
Source code
The sources is placed in GitHub repository.
If you find this project useful for you, please consider giving us a ⭐.
Supported DNS services
The following table clarifies the current status of the providers according to the aforementioned stability levels:
| Provider | Status | Maintainers |
|---|---|---|
| CloudFlare DNS | Beta |
Running ExternalDNS
To run your ExtDNS you just need to spinup container with needed environment variables and set labels to your docker container.
Use docker-compose.yml as an example.
Environment variables
| Environment variable | Default value | Description |
|---|---|---|
| INSTANCE_ID | 0 | An instance id to be sure several instances can work with same domain |
| CF_TOKEN | CloudFlare token. How to obtain it read here. It needs Zone.Zone, Zone.DNS permissions to read and update records |
|
| TTL | 60 | TTL in seconds for newly created and updated DNS records |
| SLEEP_TIMEOUT | 300 | Sleep time between check and update records |
| EXTERNAL_IP | Use this external IP address in DNS records |
Contribute
If you want to report a bug or request a new feature. Free feel to open a new issue.
English proofreading is needed too, because my grammar is not that great sadly. Feel free to correct my grammar in this Readme or source code.