Dockerfile

FROM python:3.11-slim AS base

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

WORKDIR /app

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends gcc libpq-dev && \
    rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY requirements.txt .
RUN pip install --upgrade pip && \
    pip install -r requirements.txt

# Copy application code
COPY . .

# Create non-root user
RUN adduser --disabled-password --gecos "" appuser && \
    chown -R appuser:appuser /app
USER appuser

EXPOSE 8000

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "4"]