A Flask server to echo HTTP request headers as JSON to investigate issues with a CORS proxy

echo_server.py

# A Flask server to echo HTTP request headers as JSON to investigate issues with a CORS proxy.

from flask import Flask, request, jsonify

app = Flask(__name__)

@app.route('/')
def index():
    return jsonify(dict(request.headers))

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8548)