prevent init script from breaking the image

Signed-off-by: ngn <ngn@ngn.tf>

docker/init.sh

@@ -1,8 +1,10 @@
 #!/bin/sh
 set -e
 
-php ./gen_config.php
-rm  ./gen_config.php
+if [ ! -f '/var/www/html/4get/data/config.php' ] && [ -f './gen_config.php' ]; then
+  php ./gen_config.php
+  rm -f ./gen_config.php
+fi
 
 echo "Starting up apache2"
 exec httpd -DFOREGROUND