Dockerfile

# Use an official Python runtime as a parent image
FROM python:3.12-slim AS builder

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV UVICORN_WORKERS=10  
# Default value for workers, can be overridden

# Set the working directory in the container
WORKDIR /app

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

# Upgrade pip
RUN pip install --no-cache-dir --upgrade pip

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

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

# Copy the rest of the application code
COPY . .

# Expose port 5001 to the outside world
EXPOSE 5001

# Install gunicorn (and uvicorn workers if not installed in requirements.txt)
RUN pip install --no-cache-dir uvicorn

# Command to run the application with Gunicorn and Uvicorn workers
CMD /bin/sh -c "gunicorn -w ${UVICORN_WORKERS} -k uvicorn.workers.UvicornWorker main:app --bind 0.0.0.0:5001 --timeout 120"