Dockerfile

# Build stage
FROM python:3.12-slim AS builder

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
  gcc libc6-dev \
  && rm -rf /var/lib/apt/lists/*

# Copy only the requirements file first to leverage Docker cache
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Final stage
FROM python:3.12-slim

# Install curl for the healthcheck
RUN apt-get update && apt-get install -y --no-install-recommends \
  curl && \
  apt-get clean && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy installed dependencies from builder stage
COPY --from=builder /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin

# Copy application code
COPY . .

# Create a non-root user and switch to it
RUN useradd -m appuser
USER appuser

# Set environment variables
ENV PYTHONUNBUFFERED=1

# Expose the port the app runs on
EXPOSE 8000

# Run the application
ENTRYPOINT ["python", "optillm.py"]