commands.py

@app.route("/add-shopify", methods=["POST"])
def add_shopify():
    with open("config.json") as json_data_file:
        data = json.load(json_data_file)

    shopifyLinks = data['shopifySitemapLinks']

    linkToAdd = # I want this to be the input from the /command [input]
    data['shopifySitemapLinks'].append(linkToAdd)
    json.dump(data, sys.stdout, indent=2)
    with open('config.json', 'w') as json_data:
        json.dump(data, json_data, indent=2)

    return 'hi'

if __name__ == "__main__":
    port = int(os.environ.get("PORT", 5000))
    app.run(host="0.0.0.0", port=port, debug=True)