Automatically handle config updates

update_repo.sh

@@ -5,7 +5,9 @@ cd $SOURCE_PATH
 mkdir -p $SOURCE_PATH/repo/
 while true; do
   cd $SOURCE_PATH/repo/
-  cat /config.py; echo "keypass=\"$PASSWORD_KEY\""; echo "keystorepass=\"$PASSWORD_KEYSTORE\"" > config.py
+  cat /config.py > config.py
+  echo "keypass=\"$PASSWORD_KEY\"" >> config.py
+  echo "keystorepass=\"$PASSWORD_KEYSTORE\"" >> config.py
   for app in $APPS; do
     curl -O $app;
   done