detectron2 web app boilerplate flask code

boilerplate_flask.py

import io
from flask import Flask, render_template, request, send_from_directory, send_file
from PIL import Image
import requests
import os
import urllib.request

app = Flask(__name__)

@app.route("/")
def index():

	# render the index.html template
	return render_template('index.html')

if __name__ == "__main__":

	# get port. Default to 8080
	port = int(os.environ.get('PORT', 8080))

	# run app
	app.run(host='0.0.0.0', port=port)