# Use Python 3.11 slim image
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies for OpenCV and build tools
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender1 \
    libgomp1 \
    ffmpeg \
    build-essential \
    cmake \
    && 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 project files
COPY . .

# Create data directory
RUN mkdir -p data/dagster_home

# Add /app to Python path so 'src' module can be imported
ENV PYTHONPATH=/app:$PYTHONPATH

# Expose ports for API (8000) and Dagster UI (3000)
EXPOSE 8000 3000

# Default command - start Dagster webserver
CMD ["dagster", "dev", "-m", "dagster_project", "--host", "0.0.0.0", "--port", "3000"]