Dockerfile

FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    && rm -rf /var/lib/apt/lists/*

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

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

# Copy application code
COPY . .

# Create necessary directories
RUN mkdir -p logs sessions

# Set permissions
RUN chmod +x main.py

# Create non-root user for security
RUN useradd -m -u 1000 botuser && chown -R botuser:botuser /app
USER botuser

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import asyncio; from main import health_check; print(asyncio.run(health_check()))"

# Run the bot
CMD ["python", "main.py"]