Run precommit and check for missing migrations during tests

.dockerignore

@@ -2,5 +2,4 @@ db/
 media/
 staticfiles/
 .pytest_cache/
-.git/
 .idea/

docker/runtests.sh

@@ -1,2 +1,4 @@
 #!/bin/sh
 TESTING=true python -m pytest
+pre-commit run --all-files
+TESTING=true python manage.py makemigrations --check

tests.Dockerfile

@@ -3,4 +3,8 @@ RUN pip install -r requirements-dev.txt
 ENV TESTING "true"
 WORKDIR /app
 HEALTHCHECK none
-CMD ["python", "-m", "pytest"]
+# Required for pre-commit
+RUN apt-get install -y git
+COPY .git ./.git/
+
+CMD ["/app/docker/runtests.sh"]