申请

go install github.com/go-acme/lego/v4/cmd/lego@latest

lego --path=/opt/ssl --email="xxx@xxx.com" --domains="xxx" --http --http.port=:80 run

续签

lego --path=/opt/ssl --email="xxx@xxx.com" --domains="xxx" --http --http.port=:80 renew --days 60

官网