add FQDN var env

docker-entrypoint.sh

@@ -1,17 +1,53 @@
 #!/bin/bash
 
-NAMESERVER_RESOLVER=$(grep ^nameserver /etc/resolv.conf | head -n 1 |awk '{ print $2}')
+if [ -z "$NAMESERVER_RESOLVER" ]; then
+  NAMESERVER_RESOLVER=$(grep ^nameserver /etc/resolv.conf | head -n 1 |awk '{ print $2}')
+fi
+
 # create nginx resolver directive
 echo "resolver $NAMESERVER_RESOLVER;">/tmp/resolver.conf
 # dump /tmp/resolver.conf
 echo NGINX resolver directive dump 
 cat /tmp/resolver.conf
+echo "resolver=$NAMESERVER_RESOLVER"
+
+while true; do
+  if [ -z "$SPEEDTEST_FQDN" ]; then
+    SPEEDTEST_FQDN=$(nslookup website | awk '/^Name:/ { print $2 }')
+  fi
+
+  if [ -z "$PYOS_FQDN" ]; then
+    PYOS_FQDN=$(nslookup pyos | awk '/^Name:/ { print $2 }')
+  fi
+
+  if [ -z "$CONSOLE_FQDN" ]; then
+    CONSOLE_FQDN=$(nslookup console | awk '/^Name:/ { print $2 }')
+  fi
 
+  if [ -z "$WEBSITE_FQDN" ]; then
+    WEBSITE_FQDN=$(nslookup website | awk '/^Name:/ { print $2 }')
+  fi
+
+  if [ -z "$SPEEDTEST_FQDN" ] || [ -z "$PYOS_FQDN" ] || [ -z "$CONSOLE_FQDN" ] || [ -z "$WEBSITE_FQDN" ] ; then
+    echo "SPEEDTEST_FQDN=$SPEEDTEST_FQDN"
+    echo "PYOS_FQDN=$PYOS_FQDN"
+    echo "CONSOLE_FQDN=$CONSOLE_FQDN"
+    echo "WEBSITE_FQDN=$WEBSITE_FQDN" 
+    echo "sleeping for 1s, for nslookup"
+    sleep 1s
+  else
+    break
+  fi
+done
 
-SPEEDTEST_FQDN=$(nslookup website | awk '/^Name:/ { print $2 }')
-PYOS_FQDN=$(nslookup pyos | awk '/^Name:/ { print $2 }')
-CONSOLE_FQDN=$(nslookup console | awk '/^Name:/ { print $2 }')
-WEBSITE_FQDN=$(nslookup website | awk '/^Name:/ { print $2 }')
+echo 
+echo "=========================="
+echo "nginx is starting with env"
+echo "resolver=$NAMESERVER_RESOLVER"
+echo "SPEEDTEST_FQDN=$SPEEDTEST_FQDN"
+echo "PYOS_FQDN=$PYOS_FQDN"
+echo "CONSOLE_FQDN=$CONSOLE_FQDN"
+echo "WEBSITE_FQDN=$WEBSITE_FQDN"
 
 export SPEEDTEST_FQDN
 export PYOS_FQDN