# Dynamic Best Cloudflare (自动设置 Cloudflare 优选 IP)
[中文 README](README.zh.md)
A tool to automatically select best Cloudflare IP for a Cloudflare DNS record.
## Install
Install the binary via cargo and crates.io,
```bash
cargo install cf-dynamic-best
```
Then, get [CloudflareSpeedTest](https://github.com/XIU2/CloudflareSpeedTest) ready. Following is the installation guide from their repository, different platform may differ, the following is the guide for linux and amd64.
```bash
mkdir CloudflareST
cd CloudflareST
# select for your platform and arch in their release page
wget -N https://github.com/XIU2/CloudflareSpeedTest/releases/download/v2.2.4/CloudflareST_linux_amd64.tar.gz
tar -zxf CloudflareST_linux_amd64.tar.gz
chmod +x CloudflareST
```
## Usage
```bash
$ cf-dynamic-best --help
A tool to automatically set best Cloudflare IP for a Cloudflare DNS record
Usage: cf-dynamic-best --config-dir <FILE> --cloudflare-st-dir <FILE>
Options:
-c, --config-dir <FILE>
-s, --cloudflare-st-dir <FILE>
-h, --help Print help
-V, --version Print version
```
* `--config` is the file for config path.
* `--cloudflare-st-dir` is the directory where `CloudflareST` binary file is located.
## Configuration
Take a look at [`config.template.en.yaml`](config.template.en.yaml) for configuration file with English comment.