FROM python:3.9-slim

# Install system dependencies including Tesseract OCR
RUN apt-get update && apt-get install -y \
    tesseract-ocr \
    libgl1-mesa-glx \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# 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 storage directories for FHIR resources
RUN mkdir -p fhir_storage/Patient fhir_storage/Observation

# Set environment variables
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1
ENV ENVIRONMENT=development

# Expose port
EXPOSE 8000

# Run application
CMD ["uvicorn", "api.app:app", "--host", "0.0.0.0", "--port", "8000"]