Starting supervisor: supervisord.
[2019-01-18 04:35:03 +0000] [20] [INFO] Starting gunicorn 19.6.0
[2019-01-18 04:35:03 +0000] [20] [INFO] Listening at: http://0.0.0.0:8080 (20)
[2019-01-18 04:35:03 +0000] [20] [INFO] Using worker: eventlet
[2019-01-18 04:35:03 +0000] [27] [INFO] Booting worker with pid: 27
[2019-01-18 04:37:51 +0000] [27] [ERROR] Socket error processing request.
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1813, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1799, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/usr/local/lib/python3.6/site-packages/flask/helpers.py", line 976, in send_static_file
    cache_timeout=cache_timeout)
  File "/usr/local/lib/python3.6/site-packages/flask/helpers.py", line 709, in send_from_directory
    raise NotFound()
werkzeug.exceptions.NotFound: 404 Not Found: The requested URL was not found on the server.  If you entered the URL manually please check your spelling and try again.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/async.py", line 62, in handle
    six.reraise(*sys.exc_info())
  File "/usr/local/lib/python3.6/site-packages/gunicorn/six.py", line 625, in reraise
    raise value
  File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/async.py", line 52, in handle
    self.handle_request(listener_name, req, client, addr)
  File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/async.py", line 125, in handle_request
    six.reraise(*sys.exc_info())
  File "/usr/local/lib/python3.6/site-packages/gunicorn/six.py", line 625, in reraise
    raise value
  File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/async.py", line 103, in handle_request
    respiter = self.wsgi(environ, resp.start_response)
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 2309, in __call__
    return self.wsgi_app(environ, start_response)
  File "/usr/local/lib/python3.6/site-packages/flask_socketio/__init__.py", line 43, in __call__
    start_response)
  File "/usr/local/lib/python3.6/site-packages/engineio/middleware.py", line 67, in __call__
    return self.wsgi_app(environ, start_response)
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 2295, in wsgi_app
    response = self.handle_exception(e)
  File "/usr/local/lib/python3.6/site-packages/flask_restful/__init__.py", line 273, in error_router
    return original_handler(e)
  File "/usr/local/lib/python3.6/site-packages/flask_restful/__init__.py", line 273, in error_router
    return original_handler(e)
  File "/usr/local/lib/python3.6/site-packages/flask_restful/__init__.py", line 273, in error_router
    return original_handler(e)
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1741, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/local/lib/python3.6/site-packages/flask/_compat.py", line 35, in reraise
    raise value
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 2292, in wsgi_app
    response = self.full_dispatch_request()
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1815, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/usr/local/lib/python3.6/site-packages/flask_restful/__init__.py", line 273, in error_router
    return original_handler(e)
  File "/usr/local/lib/python3.6/site-packages/flask_restful/__init__.py", line 273, in error_router
    return original_handler(e)
  File "/usr/local/lib/python3.6/site-packages/flask_restful/__init__.py", line 273, in error_router
    return original_handler(e)
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1713, in handle_user_exception
    return self.handle_http_exception(e)
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1644, in handle_http_exception
    return handler(e)
  File "/app/dashboard.py", line 78, in page_not_found
    return render_template('404.html'), 404
  File "/usr/local/lib/python3.6/site-packages/flask/templating.py", line 134, in render_template
    return _render(ctx.app.jinja_env.get_or_select_template(template_name_or_list),
  File "/usr/local/lib/python3.6/site-packages/jinja2/environment.py", line 869, in get_or_select_template
    return self.get_template(template_name_or_list, parent, globals)
  File "/usr/local/lib/python3.6/site-packages/jinja2/environment.py", line 830, in get_template
    return self._load_template(name, self.make_globals(globals))
  File "/usr/local/lib/python3.6/site-packages/jinja2/environment.py", line 804, in _load_template
    template = self.loader.load(self, name, globals)
  File "/usr/local/lib/python3.6/site-packages/jinja2/loaders.py", line 113, in load
    source, filename, uptodate = self.get_source(environment, name)
  File "/usr/local/lib/python3.6/site-packages/flask/templating.py", line 58, in get_source
    return self._get_source_fast(environment, template)
  File "/usr/local/lib/python3.6/site-packages/flask/templating.py", line 86, in _get_source_fast
    raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: 404.html
[2019-01-18 04:37:51 +0000] [27] [ERROR] Socket error processing request.
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1813, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1799, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/usr/local/lib/python3.6/site-packages/flask/helpers.py", line 976, in send_static_file
    cache_timeout=cache_timeout)
  File "/usr/local/lib/python3.6/site-packages/flask/helpers.py", line 709, in send_from_directory
    raise NotFound()