--domain (-d) domain.tld Use specified domain name(s) instead of domains.txt entry (one certificate!)
--force (-x) Force renew of certificate even if it is longer valid than value in RENEW_DAYS
--privkey (-p) path/to/key.pem Use specified private key instead of account key (useful for revocation)
- --config (-f) path/to/config.sh Use specified config file
+ --config (-f) path/to/config Use specified config file
--hook (-k) path/to/hook.sh Use specified script for hooks
--challenge (-t) http-01|dns-01 Which challenge should be used? Currently http-01 and dns-01 are supported
--algo (-a) rsa|prime256v1|secp384r1 Which public key algorithm should be used? Supported: rsa, prime256v1 and secp384r1