我想做什么：
现在我使用的是自签名 SSL 证书，效果很好。但我想用官方的lets encrypt.
我有什么（自签名证书）： 这是我现在拥有的 ssl 的重要设置 (local.ini) 的输出：
[daemons]
; enable SSL support by uncommenting the following line and supply the PEM's below.
; the default ssl port CouchDB listens on is 6984
httpsd = {couch_httpd, start_link, [https]}
[ssl]
cert_file = /etc/couchdb/certs/server.crt // these are my self made certificates
key_file = /etc/couchdb/certs/server.key // these are my self made certificates
; set to true to validate peer certificates
verify_ssl_certificates = false
; Path to file containing …