python - CentOS Apache服务器无法正确部署Dash 1.4.0，网页一直处于上传状态，为什么？

Question

我使用 Dash 1.4.0 和 Flask 1.0.2 创建了以下小应用程序，请在下面找到它。我能够将它部署到 Centos Apache 服务器，它启动了，但我得到的唯一东西是一个加载页面，在浏览器控制台中我看到一些组件不存在，请看打印屏幕(我在图片中删除了我服务器的 ip)，我应该怎么做才能解决这个问题？它在我的电脑上运行没有问题

Chrome 浏览器中的控制台:

网络应用程序代码:

from libs.initsetup import InitSetup
import libs.dbops as dbops
import os
import dash
import dash_core_components as dcc
import dash_html_components as html
from flask_caching import Cache
from flask import Flask

on_server = True

if not on_server:
    WORKDIR = ""
else:
    WORKDIR = "/var/www/mosregwebsite_dash_plot"


external_stylesheets = ['https://codepen.io/chriddyp/pen/bWLwgP.css']
server = Flask(__name__)

dash_app = dash.Dash(__name__,  server=server)

dash_app.scripts.config.serve_locally = True
dash_app.css.config.serve_locally = True

cache = Cache(dash_app.server, config={
    'CACHE_TYPE': 'filesystem',
    'CACHE_DIR': WORKDIR + os.path.join(os.getcwd(), 'cache-directory')
})

TIMEOUT = 1800  # plots are updated every 30 minutes


@cache.memoize(timeout=TIMEOUT)
def return_layout():
    clients = InitSetup.read_initfile_json(WORKDIR + os.path.join(os.getcwd(), "jsons", "clients.json"))
    HOST, DBUSER, DBPASSWORD, AUTH_PLUGIN, *rest = InitSetup.read_mysql_init_config_file(WORKDIR +
        os.path.join(os.getcwd(), "mosregwebsite_dash_plot.config.txt"))

    conn, curs = dbops.create_mysql_connection(HOST, DBUSER, DBPASSWORD, AUTH_PLUGIN)

    graphs = []
    for k, v in clients.items():
        x, y = dbops.select_data_for_pictures(curs, k)
        graphs.append({'x': x, 'y': y, 'type': 'lineplot', 'name': v})

    return html.Div(children=[
        dcc.Graph(
            style={
                'textAlign': 'center',
                'height': '900px',
            },
            id='example-graph',
            figure={
                'data': graphs,
                'layout': {
                }

            }
        )
    ])


    dash_app.layout = return_layout

    if __name__ == '__main__':
        os.mkdir("numbeo")
        if not on_server:
            dash_app.run_server(host='127.0.0.107', port=8999, debug=False)
        else:
            HOST, PORT = InitSetup.read_website_settings_from_config_file(
                WORKDIR + os.path.join(os.getcwd(), 
    "mosregwebsite_dash_plot.config.txt"))
        dash_app.run_server(host=HOST, port=int(PORT), debug=False)



    #########    WSGI FILE:   ##################

    import sys
    import os
    activate_this = '/var/www/mosregwebsite_dash_plot/env/bin/activate_this.py'
    with open(activate_this) as file_:
        exec(file_.read(), dict(__file__=activate_this))
    sys.path.insert(0, '/var/www/mosregwebsite_dash_plot/')


    from mosregwebsite_dash_plot import server as application

    #######    SETUP.PY    ##############


    from setuptools import setup


    setup(
        name='mosreg_webscrap_website',
        version='1.0.0',
        packages=[''],
        url='',
        license='',
        author='kozyrev.av',
        author_email='kozirev8@gmail.com',
        description='This is website which display processed information from 
    mosreg website',
       install_requires=[
            'dash==1.4.0',
            'Flask-Caching==1.7.2',
            'mysql-connector==2.2.9',
            'mysql-connector-python==8.0.16',
            'flask==1.0.2'
        ]
    )

Answer 1

https://dash.plot.ly/react-for-python-developers检查一切是否正确安装。

To install Node.js, go to the Node.js website to download the latest version. We recommend installing the LTS version.
Node.js will automatically install the Node Package Manager npm on your machine
Verify that node is installed by running: node -v
Verify that npm is installed by running: npm -v