Add remove-db

Makefile

-UID := $(shell id -u)
-GID := $(shell id -g)
+UID := $(id -u)
+GID := $(id -g)
 
 list:
 	@echo ""
@@ -15,6 +15,7 @@ list:
 	@echo "  phpunit       > run php unit test suite"
 	@echo "  phpcs         > run php code sniffer test suite"
 	@echo "  init-db       > generate a new metadata database (anis-v3-server containers running needed)"
+	@echo "  remove-db     > remove the metadata database"
 	@echo "  validate-db   > validate the doctrine mapping entity files (anis-v3-server containers running needed)"
 	@echo "  add-superuser > add an Anis server superuser. Example: make email=admin@anis.fr password=admin add-superuser"
 	@echo "  gen-key       > generate a new encryption key that you can use to encrypt data (see anis server config file)"
@@ -58,6 +59,9 @@ phpcs:
 init-db:
 	@docker-compose exec php sh ./conf-dev/metamodel_init.sh
 
+remove-db:
+	@docker volume rm anis-server_pgdata
+
 validate-db:
 	@docker-compose exec php ./vendor/bin/doctrine orm:validate-schema