flask image serving endpoint

image_serve_flask.py

from flask import Flask, request, send_from_directory, send_file
import os
from flask_cors import CORS, cross_origin

# set the project root directory as the static folder
app = Flask(__name__, static_url_path='')
CORS(app)
app.config["CORS_HEADERS"]= 'Content-Type'

## flask endpoint to serve image using filename
@app.route('/img/<file_name:file_name>')
@cross_origin(origin='*',headers=['Access-Control-Allow-Origin','Content-Type'])
## send image as response
def send_img(file_name):
    return send_from_directory('static/img', file_name)

## run flask app
if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5020)