Dockerfile

# Build stage
FROM python:3.13-slim AS builder

WORKDIR /app

# Install build dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    postgresql-client \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir --user -r requirements.txt

# Runtime stage
FROM python:3.13-slim

WORKDIR /app

# Install runtime dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    postgresql-client \
    && rm -rf /var/lib/apt/lists/* \
    && adduser --disabled-password --gecos '' --uid 1000 appuser

# Copy Python packages from builder
COPY --from=builder /root/.local /home/appuser/.local

# Copy application code
COPY --chown=appuser:appuser . .

# Make sure scripts are in PATH
ENV PATH=/home/appuser/.local/bin:$PATH

# Switch to non-root user
USER appuser

# Expose port
EXPOSE 8000

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

# Run the application
CMD ["sh", "-c", "alembic upgrade head && uvicorn app.main:app --host 0.0.0.0 --port 8000"]