Dockerfile

# Dockerfile for Cloud Run deployment
# Build: docker build -t videogames-assistant .
# Run:   docker run -p 8080:8080 --env-file .env videogames-assistant

FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PYTHONPATH=/app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user for security
RUN adduser --disabled-password --gecos "" appuser

# 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 . .

# Change ownership to non-root user
RUN chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Expose port (Cloud Run uses PORT env var)
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8080/_stcore/health')" || exit 1

# Start Streamlit UI
CMD ["sh", "-c", "streamlit run app/streamlit_app.py --server.port=${PORT:-8080} --server.address=0.0.0.0 --server.headless=true --browser.gatherUsageStats=false"]