A Telegram chatbot that:

• Replies using OpenAI GPT-4.1 nano.
• Sends 3 daily messages (2 random messages/day (8AM–8PM) with updates or fun facts; 1 bedtime message (e.g., 10:30PM) checking in or saying goodnight).
• Acts like a close friend.
• Runs easily on cloud (Google Cloud, etc).

Environment Variables:

TELEGRAM_BOT_TOKEN=...
OPENAI_API_KEY=...
OPENAI_MODEL=gpt-4.1-nano
USER_CHAT_ID=...  # optional
TIMEZONE=Europe/London

Running locally

Install dependencies (requires openai==0.28) and start the bot:

pip install -r requirements.txt
python bot.py

Deploying on Google Cloud Run

Build and deploy the container:

docker build -t telegram-bot .
# then push to a registry and deploy using gcloud run deploy