heroku上的Django应用：应用程序错误

Question

我试图将我的Django应用程序添加到heroku中 但是从迁移和迁移命令来看一切都很好 但是当我尝试访问该网站mxiondrf.herokuapp.com 有一个错误称为应用程序错误 这是我的日志

2018-07-23T13:59:00.436425+00:00 heroku[router]: at=error code=H14 desc="No web processes running" method=GET path="/api/li
st" host=mxiondrf.herokuapp.com request_id=5af5f21f-7e9b-4934-8e84-c6fca34477e1 fwd="103.49.121.34" dyno= connect= service=
 status=503 bytes= protocol=https
2018-07-23T13:59:00.862661+00:00 heroku[router]: at=error code=H14 desc="No web processes running" method=GET path="/favico
n.ico" host=mxiondrf.herokuapp.com request_id=5400e512-b34b-47a1-b7c7-d276cc311374 fwd="103.49.121.34" dyno= connect= servi
ce= status=503 bytes= protocol=https
2018-07-23T13:59:03.975204+00:00 heroku[router]: at=error code=H14 desc="No web processes running" method=GET path="/" host
=mxiondrf.herokuapp.com request_id=93d450c2-3a0a-44e1-83a7-e9e041c0b628 fwd="103.49.121.34" dyno= connect= service= status=
503 bytes= protocol=https
2018-07-23T13:59:04.353339+00:00 heroku[router]: at=error code=H14 desc="No web processes running" method=GET path="/favico
n.ico" host=mxiondrf.herokuapp.com request_id=580a6deb-a105-4442-a9fc-01ed7af39811 fwd="103.49.121.34" dyno= connect= servi
ce= status=503 bytes= protocol=https

proc文件

web:gunicorn drf.wsgi
web: python website/manage.py runserver 0.0.0.0:$PORT

settings.py允许的主机

ALLOWED_HOSTS = ['https://mxiondrf.herokuapp.com']

如果有人可以帮助我解决这个问题 任何帮助表示赞赏