ill add a user system management to engage from email or telegram ,

i want to every user be able to set a price for gold index (xauusd) and be alerted when the price hits a certain point ,

ill use microservice architecture containing few services like crawler and user service.

i want to use queue for publishing telegram and email messaging and also be able to track the message queues.

Database Design

User :

_ID: uint
_Name: string
_PhoneNumber: string

CurrencyRequest :

_ID: uint
_Price: uint
_UserID: uint
_Currency: Enum(Gold, Oil, Silver)

Notifier :

_ID: uint
_Platform: Enum(Email, Telegram)
_SendDate: Date
_UserID: uint