It's impossible to build image as gpg problem #928

Step 5/21 : RUN set -ex   && for key in     94AE36675C464D64BAFA68DD7434390BDBE9B9C5     FD3A5288F042B6850C66B31F09FE44734EB7990E     71DCFD284A79C3B38668286BC97EC7A07EDE3FC1     DD8F2338BAE7501E3DD5AC78C273792F7D83545D     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8     B9AE9905FFD7803F25714661B63B535A4C206CA9     56730D5401028683275BD23C23EFEFE93C4CFFFE     77984A986EBC2AA786BC0F66B01FBB92821C587A   ; do     gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" ||     gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" ||     gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ;   done
 ---> Running in d08c2e65b472
+ gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 94AE36675C464D64BAFA68DD7434390BDBE9B9C5
gpg: directory '/root/.gnupg' created
gpg: keybox '/root/.gnupg/pubring.kbx' created
gpg: keyserver receive failed: No keyserver available
+ gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys 94AE36675C464D64BAFA68DD7434390BDBE9B9C5
gpg: keyserver receive failed: Connection refused
+ gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys 94AE36675C464D64BAFA68DD7434390BDBE9B9C5
gpg: keyserver receive failed: No keyserver available
Removing intermediate container d08c2e65b472
ERROR: Service 'node_frontend' failed to build: The command '/bin/sh -c set -ex   && for key in     94AE36675C464D64BAFA68DD7434390BDBE9B9C5     FD3A5288F042B6850C66B31F09FE44734EB7990E     71DCFD284A79C3B38668286BC97EC7A07EDE3FC1     DD8F2338BAE7501E3DD5AC78C273792F7D83545D     C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8     B9AE9905FFD7803F25714661B63B535A4C206CA9     56730D5401028683275BD23C23EFEFE93C4CFFFE     77984A986EBC2AA786BC0F66B01FBB92821C587A   ; do     gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" ||     gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" ||     gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ;   done' returned a non-zero code: 2