重新构建 mail-receiver 时，我仍然收到此错误。
Status: Downloaded newer image for discourse/mail-receiver:release
docker.io/discourse/mail-receiver:release
ERROR: Can't find Ruby library file or shared library pups
cd /pups && /pups/bin/pups --stdin
重新构建 mail-receiver 时，我仍然收到此错误。
Status: Downloaded newer image for discourse/mail-receiver:release
docker.io/discourse/mail-receiver:release
ERROR: Can't find Ruby library file or shared library pups
cd /pups && /pups/bin/pups --stdin