Dockerfile

# Use Python 3.12 slim image for smaller size
FROM python:3.12-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    POETRY_VERSION=1.8.3 \
    POETRY_HOME="/opt/poetry" \
    POETRY_NO_INTERACTION=1 \
    POETRY_VIRTUALENVS_CREATE=false

# Add poetry to PATH
ENV PATH="$POETRY_HOME/bin:$PATH"

# Set working directory
WORKDIR /app

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

# Install Poetry
RUN curl -sSL https://install.python-poetry.org | python3 -

# Copy dependency files
COPY pyproject.toml poetry.lock ./

# Install dependencies (without dev dependencies for production)
RUN poetry install --only main --no-root

# Copy application code
COPY . .

# Create a non-root user
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
USER appuser

# Expose port (Render will inject PORT env variable)
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Run the application with Uvicorn
CMD uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-8000}