Modified docker-compose file and django to include wait_for_db

docker-compose.yml

@@ -15,6 +15,10 @@ services:
     
   django:
     build: ./docker_django
+    command: >
+      sh -c "python manage.py wait_for_db &&
+             python manage.py migrate &&
+             python manage.py runserver 0.0.0.0:8000"
     restart: always
     volumes:
       - /vagrant:/etc/project
@@ -22,6 +26,4 @@ services:
       - 80:8000
     depends_on:
       - db
-    command: >
-      sh -c "python manage.py runserver 0.0.0.0:8000"