app.py

from flask import Flask, request

app  = Flask(__name__)

@app.route('/', defaults={'path': ''})
@app.route('/<path:path>', methods=['GET', 'POST', 'PUT', 'DELETE'])
def catch_all(path):
    print("--- HEADERS ---")
    print(request.headers)
    print("--- BODY ---")
    print(request.get_data(as_text=True))
    return "OK", 200

if __name__== '__main__':
    app.run(host='0.0.0.0', port=7860)