Upgrade option in Makefile

Makefile

@@ -3,6 +3,9 @@ export COMPOSE_PROJECT_NAME=publichealth
 
 default: build
 
+upgrade:
+	docker-compose pull
+
 build-cached:
 	docker-compose build
 
@@ -38,6 +41,7 @@ setup:
 	docker-compose exec web ./manage.py collectstatic
 
 release:
+	docker-compose pull
 	sudo docker-compose build web
 	docker-compose stop web
 	docker-compose kill web

README.md

@@ -147,6 +147,10 @@ ansible-playbook -s ansible/site.yaml -i ansible/inventories/production --tags r
 ssh -i .keys/ansible.pem ansible@<server-ip> "cd <release_dir> && make release"
 ```
 
+This is already part of the normal release cycle, but if you wish to update the Docker images to the latest versions separately, use:
+
+`make upgrade`
+
 ### Restoring a data backup
 
 For development, it's handy to have access to a copy of the production data. To delete your local database and restore from a file backup, run: