Fix error: '': No such file or directory" when running prestart.sh in…

…side CORE docker and sources are locally mapped.

(something wrong with python or docker implementation)

docker/prestart_core.sh

@@ -6,12 +6,12 @@ echo "Running sse forward in the background..."
 /usr/local/bin/forward --sender-port 5000 --client-port 5001 &
 
 echo "Running migrations..."
-/app/db_migration.py db upgrade head
+python /app/db_migration.py db upgrade head
 
-if [ `./manage.py collector --list | wc -l` = 0 -a x"$SKIP_DEFAULT_COLLECTOR" != "xtrue" ]; then
+if [ `python ./manage.py collector --list | wc -l` = 0 -a x"$SKIP_DEFAULT_COLLECTOR" != "xtrue" ]; then
     (
     echo "Adding default collector"
-    ./manage.py collector --create --name "Default Docker Collector" --description "A local collector node configured as a part of Taranis NG default installation." --api-url "http://collectors/" --api-key "$COLLECTOR_PRESENTER_PUBLISHER_API_KEY"
+    python ./manage.py collector --create --name "Default Docker Collector" --description "A local collector node configured as a part of Taranis NG default installation." --api-url "http://collectors/" --api-key "$COLLECTOR_PRESENTER_PUBLISHER_API_KEY"
     ) &
 fi