wait for github in php-fpm entrypoint

php-fpm/entrypoint.sh

@@ -1,6 +1,14 @@
 #!/usr/bin/env bash
 
 if [ "$APP_CLUSTERCOCKPIT_INIT" = true ]; then
+
+    # Wait for docker dns able to resolve gitub
+    # Solves weird special case of container loading faster than github can be reached
+    until ping -c 1 github.com > /dev/null ; do
+      echo "Could not reach github.com yet ..."
+      sleep 1
+    done
+
     rm -rf /var/www/symfony/* /var/www/symfony/.??*
     git clone https://github.com/ClusterCockpit/ClusterCockpit .