Really cool stuff. Out of curiosity what made you select PowerDNS (and in general a commodity DNS server) vs. developing a custom DNS server integrating your logic (using https://github.com/miekg/dns for instance).
replyCool! How did you scale-out the hidden primary? Multiple instances communicating with a single postgres?
replyThe hidden primary has a passive node, so saying multiple multiple maybe is an overstatement :) and yes, using a single postgres container
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