Updated Travis scripts

We now pull images prior to building. This helps avoid wasting time completely rebuilding the app container.

The db container is started first to ensure the database is ready before we attempt to run migrations.

Added test to ensure migrations have been generated, and run properly.

.travis.yml

@@ -10,11 +10,15 @@ cache: pip
 
 install:
   - bash .travis/install_terraform.sh
+  - make docker.pull
   - make docker.build
 
 script:
+  - docker-compose -f docker-compose.yml -f docker-compose.travis.yml up -d db
+  - docker-compose -f docker-compose.yml -f docker-compose.travis.yml run app "make detect_missing_migrations"
   - docker-compose -f docker-compose.yml -f docker-compose.travis.yml run app "make quality"
   - docker-compose -f docker-compose.yml -f docker-compose.travis.yml run app "make static"
+  - docker-compose -f docker-compose.yml -f docker-compose.travis.yml run app "make migrate"
   - docker-compose -f docker-compose.yml -f docker-compose.travis.yml run app "make test"
   - make validate_terraform
 

Makefile

@@ -1,6 +1,6 @@
 .DEFAULT_GOAL := test
 
-.PHONY: clean help requirements test validate quality production-requirements migrate static clean_static
+.PHONY: clean detect_missing_migrations help requirements test validate quality production-requirements migrate static clean_static
 
 # Generates a help message. Borrowed from https://github.com/pydanny/cookiecutter-djangopackage.
 help: ## Display this help message
@@ -29,6 +29,9 @@ clean: ## Delete generated byte code and coverage reports
 	find . -name '*.pyc' -delete
 	coverage erase
 
+detect_missing_migrations:  ## Determine if any apps are missing generated migrations
+	python manage.py makemigrations --check --dry-run || (echo "Migration files are missing. Please run the "makemigrations" management command, and commit the migrations." && false)
+
 requirements: ## Install requirements for local development
 	pipenv install --dev