Dockerfile

FROM python:3.10-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    python3-dev \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

# Install tgcrypto and gunicorn separately first
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir tgcrypto gunicorn

# Install other dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy all files
COPY . .

# Create directory for session files
RUN mkdir -p /app/sessions

# Set environment variables
ENV PORT=8080
ENV PYTHONUNBUFFERED=1

# Health check configuration
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:${PORT}/health || exit 1

# Expose port (using PORT env var from Render)
EXPOSE ${PORT}

# Set production environment
ENV FLASK_ENV=production

# Create log directory
RUN mkdir -p /app/logs

# Create entrypoint script
RUN echo '#!/bin/sh\n\
trap "exit" TERM\n\
python bot.py & BOT_PID=$!\n\
gunicorn --bind 0.0.0.0:${PORT} \
    --worker-class=gthread \
    --workers 2 \
    --threads 4 \
    --timeout 60 \
    --log-level=info \
    --access-logfile=/app/logs/access.log \
    --error-logfile=/app/logs/error.log \
    webapp:app & GUNICORN_PID=$!\n\
wait $BOT_PID $GUNICORN_PID' > /app/entrypoint.sh && \
    chmod +x /app/entrypoint.sh

# Set the entrypoint
ENTRYPOINT ["/app/entrypoint.sh"]

# Run both the bot and webapp
CMD ["/app/entrypoint.sh"]