small fixes

Makefile

@@ -55,7 +55,7 @@ list-docker-images:
 	docker images | grep openmaptiles
 
 refresh-docker-images:
-	echo docker-compose pull 
+	docker-compose pull --ignore-pull-failures
 
 remove-docker-images:
 	docker rmi -f $(docker images | grep "openmaptiles" | awk "{print \$3}")

docker-compose.yml

@@ -47,7 +47,7 @@ services:
     links:
     - postgres
     volumes:
-     - $(pwd):/tileset
+     - .:/tileset
      - ./build:/sql     
   mapbox-studio:
     image: "osm2vectortiles/mapbox-studio"