Add run targets

* `dev.run` starts the service in the foreground.
* `dev.run-detached` starts the service in detached mode.

Makefile

@@ -35,6 +35,12 @@ dev.provision:  # Provision Blockstore service
 	docker exec -t edx.${OPENEDX_PROJECT_NAME}.mysql /bin/bash -c 'mysql -uroot <<< "create database if not exists blockstore_db;"'
 	docker-compose ${BLOCKSTORE_DOCKER_COMPOSE_OPTS} exec blockstore /bin/bash -c 'source ~/.bashrc && make requirements && make migrate'
 
+dev.run: dev.up  # Run the service in the foreground
+	docker-compose ${BLOCKSTORE_DOCKER_COMPOSE_OPTS} exec blockstore /blockstore/venv/bin/python /blockstore/app/manage.py runserver 0.0.0.0:18250
+
+dev.run-detached: dev.up  # Run the service in the background
+	docker-compose ${BLOCKSTORE_DOCKER_COMPOSE_OPTS} exec -d blockstore /blockstore/venv/bin/python /blockstore/app/manage.py runserver 0.0.0.0:18250
+
 stop:  # Stop Blockstore container
 	docker-compose ${BLOCKSTORE_DOCKER_COMPOSE_OPTS} stop