-In order to switch to the DNS-01 ACME challenge, set the `ACME_CHALLENGE` environment variable to `DNS-01` on your acme-companion container. This will also require you to set the `ACMESH_DNS_API_CONFIG` environment variable to a JSON or YAML string containing the configuration for the DNS provider you are using. Inside the JSON or YAML string, the `DNS_API` property is always required and should be set to the name of the [acme.sh DNS API](https://github.com/acmesh-official/acme.sh/tree/3.0.7/dnsapi) you want to use.
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