Plotly Application Deployment Failed On heroku

Question

I am trying to deploy my plotly app to the website using heroku. I followed the below steps for the same:

1. Created a virtual environment using pycharm using the version 3.8 of Python

2. Installed all the necessary libraries required to run my app on the virtual environment. which are Numpy, Plotly, Dash, Pandas=1.0.0 and gunicorn

3. Created a .gitignore file with the following contents:

5. Created a Procfile with the following contents(dashboard-1 is the main .py file where my code is written):

6.. Used heroku cli and git to build and deploy my applications to the server. The application is successfully deployed but when I go to launch the application it gives me an error. The logs are as shown:

2021-01-07T07:32:47.773278+00:00 app[web.1]:   File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 393, in stop
2021-01-07T07:32:47.773697+00:00 app[web.1]:     time.sleep(0.1)
2021-01-07T07:32:47.773759+00:00 app[web.1]:   File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 242, in handle_chld
2021-01-07T07:32:47.774108+00:00 app[web.1]:     self.reap_workers()
2021-01-07T07:32:47.774157+00:00 app[web.1]:   File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/arbiter.py", line 525, in reap_workers
2021-01-07T07:32:47.774678+00:00 app[web.1]:     raise HaltServer(reason, self.WORKER_BOOT_ERROR)
2021-01-07T07:32:47.774743+00:00 app[web.1]: gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3>
2021-01-07T07:32:47.930226+00:00 heroku[web.1]: Process exited with status 1
2021-01-07T07:32:47.978712+00:00 heroku[web.1]: State changed from up to crashed
2021-01-07T07:32:48.514470+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=dashboard-1995.herokuapp.com request_id=a6a82e6b-0012-44d8-afb9-53f2976f5356 fwd="114.79.136.133" dyno=web.1 connect=1ms service= status=503 bytes= protocol=https
2021-01-07T07:49:30.057615+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=dashboard-1995.herokuapp.com request_id=5f577916-82cf-46c0-bd44-0310a16f24e8 fwd="18.212.132.42" dyno= connect= service= status=503 bytes= protocol=http
  

Answer 1

等待大神答复