from flask import Flask, jsonify, request


def set_up_processing_server(process_fn):
    app = Flask(__name__)

    @app.route("/ready", methods=["GET"])
    def ready():
        resp = jsonify("OK")
        resp.status_code = 200
        return resp

    @app.route("/process", methods=["POST"])
    def process():
        response_payload = process_fn(request)
        return jsonify(response_payload)

    return app