Life Left Bot

Life Left Bot — Telegram bot that calculates your remaining life expectancy based on UN data.

Requirements

• Go 1.21+
• Telegram Bot Token (from @BotFather)

Setup

1. Clone the repository
2. Copy .env.example to .env and set your TELEGRAM_BOT_TOKEN
3. Run:

go mod tidy
go run .

Environment Variables

Variable	Description	Required
TELEGRAM_BOT_TOKEN	Telegram bot token from BotFather	Yes
PORT	Health check server port (default: 8080)	No

Building

go build -o life-left-bot .

Docker

FROM golang:1.21-alpine AS builder
WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN go build -o life-left-bot .

FROM alpine:latest
WORKDIR /app
COPY --from=builder /app/life-left-bot .
CMD ["./life-left-bot"]

Features

• Asks for date of birth
• Asks for sex (affects life expectancy)
• Asks for country (optional, defaults to world average)
• Shows visual progress bar of life lived
• Displays days lived and days remaining

Data Source

This project is licensed under the MIT License.