line bot https://blackmaple.me/line-bot-tutorial/
acrcloud https://github.com/acrcloud/acrcloud_sdk_python
line acrcloud maybe heroku ?
app.py
#line
line_key="<<<you>>>"
line_key_secret="<<<you>>>"
#acrcloud
accloud_key="<<<you>>>"
accloud_key_secret="<<<you>>>"
host="identify-ap-southeast-1.acrcloud.com"