Python Docker运行在成功生成后获取内部服务器错误

我正在尝试运行dash python应用程序。 构建是成功的（虽然它提到了一些错误），但最终：

$docker build -t dash-example .
....

Successfully installed Brotli click dash dash-core-components dash-html-components dash-renderer Flask Flask-Compress itsdangerous Jinja2 MarkupSafe plotly retrying six Werkzeug dataclasses
Cleaning up...
Removing intermediate container 05a081927450
 ---> 1f5baad0a47c
Successfully built 1f5baad0a47c
Successfully tagged dash-example:latest

但当我运行它时，它在以下情况下被卡住：

$docker run -it --rm -p 8080 dash-example

*** Starting uWSGI 2.0.8 (64bit) on [Wed Jun  2 19:04:48 2021] ***
compiled with version: 4.9.1 on 04 November 2014 00:03:50
os: Linux-5.8.0-53-generic #60~20.04.1-Ubuntu SMP Thu May 6 09:52:46 UTC 2021
nodename: 93acf9e34c2b
machine: x86_64
clock source: unix
pcre jit disabled
detected number of CPU cores: 8
current working directory: /var/app
detected binary path: /var/app/bin/uwsgi
setgid() to 1000
setuid() to 1000

屏幕显示内部服务器错误。 我的档案是：

• application.py

   import dash
  
   import dash_core_components as dcc
  
   import dash_html_components as html
  
   app = dash.Dash()
  
   application = app.server
   app.layout = html.Div(children=[
   html.H1(children='Hello Dash'),
  
   html.Div(children='''
       This is Dash running on Elastic Beanstalk.
   '''),
   dcc.Graph(
       id='example-graph',
       figure={
           'data': [
               {'x': [1, 2, 3], 'y': [4, 1, 2], 'type': 'bar', 'name': 'SF'},
               {'x': [1, 2, 3], 'y': [2, 4, 5], 'type': 'bar', 'name': u'Montréal'},
           ],
           'layout': {
               'title': 'Dash Data Visualization'
           }
       }
   )])if __name__ == '__main__':
    application.run(debug=True, port=8080)
  
    # Beanstalk expects it to be running on 8080.
  

requirements.txt

Brotli==1.0.9
click==7.1.2
dash==0.21.1
dash-core-components==0.22.1
dash-html-components==0.10.1
dash-renderer==0.12.1
Flask==2.0.1
Flask-Compress==1.9.0
itsdangerous==2.0.1
Jinja2==3.0.1
MarkupSafe==2.0.1
plotly==4.14.3
retrying==1.3.3
six==1.16.0
Werkzeug==2.0.1

Dockerfile

FROM amazon/aws-eb-python:3.4.2-onbuild-3.5.1

有人能告诉我这里出了什么错吗