Dial tcp: lookup push-test.mattermost.com: i/o timeout

Troubleshooting
10

Yeah, not an Internet issue. Dedicated 1GB fiber line.

That download in 4s.

[root@mm ~]# docker exec 86aa48dc9650 curl --output /tmp/temp.tar.gz https://plugins-store.test.mattermost.com/release/mattermost-plugin-playbooks-v1.28.2-linux-amd64.tar.gz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 18.7M  100 18.7M    0     0  3857k      0  0:00:04  0:00:04 --:--:-- 4662k