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#caddy
2 posts
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Connecting a Custom Domain with One Click — a Pipeline Built Around 'You Can't Speed Up DNS Propagation'
I built a feature to buy a domain and attach it to a blog. Bought four with the same code; all four failed differently. One cause: we ignored a wait we can't shorten (DNS propagation) and tried to do everything synchronously. Once we accepted that wait as a given, the pipeline settled into one synchronous stage plus two worker stages.
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Taking Caddy Out of the Deploy Path — the Structural Problem Was Touching a SPOF Automatically
Every deploy took the whole stack down for 60–100 seconds. Blue-green removed most of it, but five seconds stayed at the reverse proxy — and the real cost of those five seconds was not five seconds. It was the variance: five seconds, or indefinitely. So we took it out of the deploy path entirely.
