export telegram_token=""
# https://dashboard.stripe.com/test/webhooks/create?endpoint_location=local
export websocket-stripe-secret=""
# mongoDB connection string
export DB_URI=""
https://monsterdeveloper.gitbooks.io/writing-telegram-bots-on-java/content/chapter1.html
When using /subscribe in the bot chat, will add to mongoDB the chatId and he will send to the chatId saved, the notification