How to run a list of python webservices in a shell script?

Im having a list of microservices written with python flask.Im creating a .sh file named all_services.sh which will kickstart all the microservice one by one.

service1_folder/python manage.py run
service2_folder/python manage.py run
service3_folder/python manage.py run

Now when am executing my bash script only first service alone called
bash all_services.sh .

I can’t use gnome terminal since am gonna use this script in a Dockerfile

Source: StackOverflow