Dockerfile

# Use standard Python 3.9 slim image
FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Install system dependencies including Node.js
RUN apt-get update && apt-get install -y \
    curl \
    build-essential \
    libmagic1 \
    poppler-utils \
    && rm -rf /var/lib/apt/lists/*

# Install Node.js 18 (PATTERN MULTI-SERVICES)
RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - \
    && apt-get install -y nodejs

# Create non-root user for security (PATTERN OFFICIEL HF)
RUN useradd -m -u 1000 user

# Install uv as root
RUN pip install uv

# Create cache directory with proper permissions before switching user
RUN mkdir -p /home/user/.cache/uv && chown -R user:user /home/user/.cache

USER user

# Set environment variables (PATTERN OFFICIEL HF)
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    UV_CACHE_DIR=/home/user/.cache/uv

# Set workdir with user permissions
WORKDIR $HOME/app

# Copy project files with correct ownership (PATTERN OFFICIEL HF)
COPY --chown=user . $HOME/app

# Install Python dependencies with uv FIRST (PATTERN OPTIMIZED UV)
WORKDIR $HOME/app/backend
RUN echo "🐍 Setting up Python environment with uv..." && \
    uv venv .venv && \
    echo "source .venv/bin/activate" >> $HOME/.bashrc

# Install dependencies with uv
RUN echo "📦 Installing Python dependencies..." && \
    . .venv/bin/activate && \
    uv pip install -e .

# Build Frontend in Docker (PATTERN BUILD AUTOMATION)
WORKDIR $HOME/app/frontend
RUN echo "🏗️ Building React frontend..." && \
    npm install && \
    npm run build

# Copy built frontend to backend static directory
WORKDIR $HOME/app/backend
RUN echo "📁 Copying frontend build to static..." && \
    rm -rf static && \
    mkdir -p static && \
    cp -r $HOME/app/frontend/build/* static/

# Verify static files are present
RUN echo "=== Static files verification ===" && \
    ls -la static/ && \
    ls -la static/static/css/ && \
    ls -la static/static/js/

# Create uploads directory
RUN mkdir -p $HOME/app/backend/uploads

# Expose Hugging Face port
EXPOSE 7860

# Set environment variables for Hugging Face
ENV HOST=0.0.0.0
ENV PORT=7860
ENV PYTHONPATH=$HOME/app/backend/src

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:7860/api/health || exit 1

# Start the application
WORKDIR $HOME/app/backend
CMD ["/bin/bash", "-c", "source .venv/bin/activate && uv run uvicorn src.main:app --host 0.0.0.0 --port 7860"]