fix command line (#8)

docker-compose.yml

@@ -9,6 +9,7 @@ services:
     build: .
     volumes:
       - './src:/srv/src:ro'
+    command: ["poetry", "run", "python", "src/manage.py", "runserver", "0:8080"]
     ports:
       - '8080:8080'
     depends_on: