FROM python:3.11-slim

WORKDIR /app

# Install system dependencies for yfinance/pandas
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc g++ && \
    rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY bot.py .

# HuggingFace Spaces uses port 7860 — but this bot uses long polling, not a web server.
# We need a simple health check endpoint so HF doesn't think the Space is dead.
# Create a tiny health check server that runs alongside the bot.

RUN echo 'import http.server, threading, os\nclass H(http.server.BaseHTTPRequestHandler):\n    def do_GET(s):\n        s.send_response(200); s.send_header("Content-Type","text/plain"); s.end_headers(); s.wfile.write(b"OK")\n    def log_message(s,*a): pass\nt = threading.Thread(target=lambda: http.server.HTTPServer(("0.0.0.0",7860),H).serve_forever, daemon=True)\nt.start()\n' > /app/health.py

CMD ["python", "-c", "exec(open('health.py').read()); exec(open('bot.py').read())"]