Correct build context

docker-compose.dev.yml

@@ -2,7 +2,7 @@ version: "2"
 services:
   workstand:
     build:
-      context: ./Dockerfile
+      context: .
     command: "bash -c 'npm run watch & python manage.py runserver 0.0.0.0:8000'"
     ports:
       - "8000:8000"