Serving VUE Js Build directory using python and flask

serve.py

"""
  before execution
  1. build vue app - npm run build
  2. install dependencies - pip install flask flask-cors
  
  running the server
  python serve.py
  
  
  your site will be live on http://localhost:8000

"""

from flask import Flask, url_for, redirect, send_file, request, Response
from flask_cors import CORS

app = Flask(__name__)
CORS(app)


@app.errorhandler(404)
def error(e):
    if (
        "/js/" in request.base_url
        and request.base_url.endswith(".js")
        or "/css/" in request.base_url
        and request.base_url.endswith(".css")
    ):
        
        req = request.path
        if req.endswith(".js"):
            resp = Response(open("./dist/" + req[1:]).read())
            resp.headers["content-type"] = "application/javascript"
            return resp
        else:
            resp = Response(open("./dist/" + req[1:]).read())
            resp.headers["content-type"] = "text/css; charset=utf-8"
            return resp
    return open("./dist/index.html", "r").read()


app.debug = True
app.run(port=8000)