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# ============================================
# FetalCLIP - Hugging Face Spaces Docker Image
# ============================================
# This Dockerfile creates a container that runs:
# - FastAPI backend on port 7860 (HF Spaces requirement)
# - Serves React frontend as static files
#
# Deploy to: https://huggingface.co/spaces

FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    git \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Install Node.js for building frontend
RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - \
    && apt-get install -y nodejs \
    && rm -rf /var/lib/apt/lists/*

# Copy backend requirements first (for Docker caching)
COPY backend/requirements.txt /app/backend/requirements.txt
RUN pip install --no-cache-dir -r /app/backend/requirements.txt

# Copy assets
COPY assets /app/assets

# Copy backend code
COPY backend/app /app/backend/app

# Copy frontend and build
COPY frontend/package*.json /app/frontend/
WORKDIR /app/frontend
RUN npm install

COPY frontend /app/frontend
RUN npm run build

# Move built frontend to backend for serving
RUN mkdir -p /app/backend/static && cp -r /app/frontend/dist/* /app/backend/static/

WORKDIR /app

# Copy the HF Spaces specific server
COPY server.py /app/server.py

# Expose port 7860 (Hugging Face Spaces requirement)
EXPOSE 7860

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV HF_HOME=/app/.cache

# Create cache directory
RUN mkdir -p /app/.cache

# Run the server
CMD ["python", "server.py"]