This variable is mandatory. Generate a random string of length greater that 12 for this. It is used as an internal secret by the bot to secure communication with Telegram.
This variable is mandatory. This is the base URL that must be externally accessible by your bot, without a trailing slash. If you mount your bot on a different path with a reverse proxy, include the directory in the base URL.
This variable is mandatory. Generate a random string of length greater that 12 for this. It is used as an internal secret to authenticate Webhook URLs.