--- title: "Cloudflare" date: 2019-03-03T16:39:46+01:00 draft: false slug: cloudflare --- Configuration for [Cloudflare](https://www.cloudflare.com/dns/). - Code: `cloudflare` Here is an example bash command using the Cloudflare provider: ```bash CLOUDFLARE_EMAIL=foo@bar.com \ CLOUDFLARE_API_KEY=b9841238feb177a84330febba8a83208921177bffe733 \ lego --dns cloudflare --domains my.domain.com --email my@email.com run ``` ## Credentials | Environment Variable Name | Description | |-----------------------|-------------| | `CLOUDFLARE_API_KEY` | API key | | `CLOUDFLARE_EMAIL` | Account email | The environment variable names can be suffixed by `_FILE` to reference a file instead of a value. More information [here](/lego/dns/#configuration-and-credentials). ## Additional Configuration | Environment Variable Name | Description | |--------------------------------|-------------| | `CLOUDFLARE_HTTP_TIMEOUT` | API request timeout | | `CLOUDFLARE_POLLING_INTERVAL` | Time between DNS propagation check | | `CLOUDFLARE_PROPAGATION_TIMEOUT` | Maximum waiting time for DNS propagation | | `CLOUDFLARE_TTL` | The TTL of the TXT record used for the DNS challenge | The environment variable names can be suffixed by `_FILE` to reference a file instead of a value. More information [here](/lego/dns/#configuration-and-credentials). ## More information - [API documentation](https://api.cloudflare.com/) - [Go client](https://github.com/cloudflare/cloudflare-go)