update README to reference docker v2.20.0 tag (#9334) (#9348)

Signed-off-by: hang.jiang <hang.jiang@daocloud.io>

Signed-off-by: hang.jiang <hang.jiang@daocloud.io>
Co-authored-by: Alex <payback159@gmail.com>
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蒋航 2022-09-29 21:24:53 +08:00 committed by GitHub
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@ -57,10 +57,10 @@ A simple way to ensure you get all the correct version of Ansible is to use the
You will then need to use [bind mounts](https://docs.docker.com/storage/bind-mounts/) to get the inventory and ssh key into the container, like this:
```ShellSession
docker pull quay.io/kubespray/kubespray:v2.19.1
docker pull quay.io/kubespray/kubespray:v2.20.0
docker run --rm -it --mount type=bind,source="$(pwd)"/inventory/sample,dst=/inventory \
--mount type=bind,source="${HOME}"/.ssh/id_rsa,dst=/root/.ssh/id_rsa \
quay.io/kubespray/kubespray:v2.19.1 bash
quay.io/kubespray/kubespray:v2.20.0 bash
# Inside the container you may now run the kubespray playbooks:
ansible-playbook -i /inventory/inventory.ini --private-key /root/.ssh/id_rsa cluster.yml
```