Dockerfile

# Use a lightweight official Python runtime as a parent image
FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PORT=8000

# Set the working directory inside the container
WORKDIR /app

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

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

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

# Copy the rest of the application code
COPY app/ ./app/

# Expose port 8000
EXPOSE 8000

# Run uvicorn on container startup
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]