Failing building

[sirbastiano]

=> ERROR [3/5] RUN gpg2 --keyserver pool.sks-keyservers.net --recv-keys 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D 60.4s

[3/5] RUN gpg2 --keyserver pool.sks-keyservers.net --recv-keys 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D:
#7 0.192 gpg: directory /home/tc/.gnupg' created #7 0.194 gpg: new configuration file /home/tc/.gnupg/gpg.conf' created
#7 0.194 gpg: WARNING: options in /home/tc/.gnupg/gpg.conf' are not yet active during this run #7 0.195 gpg: keyring /home/tc/.gnupg/secring.gpg' created
#7 0.196 gpg: keyring /home/tc/.gnupg/pubring.gpg' created #7 0.201 gpg: requesting key AA65421D from hkp server pool.sks-keyservers.net #7 60.37 : can't connect to pool.sks-keyservers.net': host not found
#7 60.38 gpgkeys: HTTP fetch error 7: couldn't connect: Not found
#7 60.40 gpg: no valid OpenPGP data found.
#7 60.40 gpg: Total number processed: 0

---

executor failed running [/bin/sh -c gpg2 --keyserver pool.sks-keyservers.net --recv-keys 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D]: exit code: 2
make[1]: *** [build] Error 1
make: *** [3.6] Error 2