docker/test: generate coverage report in xml

Makefile

@@ -1,5 +1,5 @@
 build-test:
 	cd docker/test; docker compose build
 
-test: build-test
+test:
 	cd docker/test; docker compose up --abort-on-container-exit

docker/test/docker-compose.yaml

@@ -12,6 +12,10 @@ services:
           - cache
           - db
         entrypoint: /app/docker/test/entrypoint-master.sh
+        volumes:
+          - type: bind
+            source: ./coverage.xml
+            target: /app/jdav_web/coverage.xml
 
     cache:
         restart: always

docker/test/entrypoint-master.sh

@@ -39,3 +39,4 @@ fi
 cd jdav_web
 
 coverage run manage.py test startpage finance members -v 2
+coverage xml