Dockerfile

FROM python:3.11-slim

WORKDIR /app

# Install system dependencies in a single layer
RUN apt-get update && apt-get install -y \
    libmagic1 \
    libmagic-dev \
    libpq-dev \
    gcc \
    g++ \
    curl \
    build-essential \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Install UV
RUN pip install --no-cache-dir uv

# Create non-root user early
RUN useradd --create-home --shell /bin/bash --uid 1000 app

# Copy dependency files with proper ownership
COPY --chown=app:app pyproject.toml uv.lock* ./

# Before creating the venv, ensure clean state
RUN rm -rf .venv || true
RUN uv venv .venv

# Install dependencies using UV
RUN uv sync --frozen && \
    uv cache clean

# Copy application code with proper ownership
COPY --chown=app:app . .

# Switch to non-root user
USER app

# Create cache directory for HuggingFace models
RUN mkdir -p /home/app/.cache/huggingface

# Set environment variables for better Python performance in containers
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV TOKENIZERS_PARALLELISM=false
ENV HF_HOME=/home/app/.cache/huggingface

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Run the application (remove --reload for production)
CMD ["uv", "run", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]