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Pre-seeds the `dokku/install_default_site` debconf answer to `true` so the dokku postinst installs `/etc/nginx/conf.d/00-default-vhost.conf` during image build. Without this, debconf returned an empty value in non-interactive docker builds, the postinst's `setup-default-site` short-circuited, and nginx had no listener on port 80 - which left the readiness sentinel untouched and the container stuck unhealthy.
4.3 KiB
4.3 KiB