NextCloud, wait for dns propagation

Author: scottyeager

tfgrid3/nextcloud/Dockerfile

@@ -1,9 +1,9 @@
 FROM ubuntu:22.04
 
 RUN apt update && \
-  apt -y install wget openssh-server curl sudo ufw inotify-tools iproute2
+  apt -y install wget openssh-server curl sudo ufw inotify-tools iproute2 bind9-dnsutils
 
-RUN wget -O /sbin/zinit https://github.com/threefoldtech/zinit/releases/download/v0.2.5/zinit && \
+RUN wget -O /sbin/zinit https://github.com/threefoldtech/zinit/releases/download/v0.2.14/zinit && \
   chmod +x /sbin/zinit
 
 RUN wget -O /sbin/caddy 'https://caddyserver.com/api/download?os=linux&arch=amd64&p=github.com%2Fcaddyserver%2Freplace-response&idempotency=43631173212363' && \

tfgrid3/nextcloud/scripts/caddy.sh

@@ -3,6 +3,13 @@ export DOMAIN=$NEXTCLOUD_DOMAIN
 
 if $IPV4 && ! $GATEWAY; then
   export PORT=443
+
+  # Wait for DNS to propagate
+  interface=$(ip route show default | cut -d " " -f 5)
+  ipv4_address=$(ip a show $interface | grep -Po 'inet \K[\d.]+')
+  while ! dig $DOMAIN | grep -q $ipv4_address; do
+    sleep 5
+  done
 else
   export PORT=80
 fi
@@ -17,4 +24,4 @@ else
 			`needs ports 3478/TCP and 3478/UDP open/forwarded in your firewall/router` `running the Talk container requires a public IP and this VM does not have one. It is still possible to use Talk in a limited capacity. Please consult the documentation for details`'
 fi
 
-caddy run --config /etc/caddy/Caddyfile
+caddy run --config /etc/caddy/Caddyfile