1- run npm install command
2- set environment variables

    PORT= 80
    INSTANCES= 1
    URL= ( your server url like https://test.com )
    TELEGRAM_BOT_TOKEN= ( your bot token )
    MONGODB_ADDRESS= mongodb://127.0.0.1:27017/telebot

3- setwebhook to telegram server : https://api.telegram.org/bot{TOKEN}/setWebhook?url={SERVER_DOMAIN}/bot{TOKEN}

4- finished :) just start app with npm run start command


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