# Use the official Python 3.10 slim image | |
FROM python:3.10-slim | |
# Set environment variables to prevent Python from writing pyc files and to buffer stdout/stderr | |
ENV PYTHONDONTWRITEBYTECODE=1 | |
ENV PYTHONUNBUFFERED=1 | |
# Set the working directory to /app | |
WORKDIR /app | |
# Install system dependencies to get `nproc` (for number of CPU cores) | |
RUN apt-get update && apt-get install -y procps | |
# Copy only the requirements.txt first to leverage Docker cache | |
COPY requirements.txt . | |
# Install Python dependencies | |
RUN pip install --no-cache-dir --upgrade pip | |
RUN pip install --no-cache-dir -r requirements.txt | |
# Copy the rest of the application code | |
COPY . . | |
# Expose port 8001 to the outside world | |
EXPOSE 8001 | |
# Command to run Uvicorn with a dynamic number of workers based on the CPU cores | |
CMD ["sh", "-c", "uvicorn main:app --host 0.0.0.0 --port 8001 --workers $(nproc)"] |