gpg keyserver is down
When I build Dockerfile, I get
Warning: apt-key output should not be parsed (stdout is not a terminal)
Executing: /tmp/apt-key-gpghome.lq0V99Z5KV/gpg.1.sh --keyserver pgp.surfnet.nl --recv-key 612DEFB798507F25
gpg: keyserver receive failed: No data
The command '/bin/sh -c apt-key adv --keyserver pgp.surfnet.nl --recv-key 612DEFB798507F25' returned a non-zero code: 2