Dockerfile

# Use an official Python runtime as a parent image
FROM python:3.10-slim

# Set environment variables
# PYTHONDONTWRITEBYTECODE: Prevents Python from writing pyc files to disc
# PYTHONUNBUFFERED: Prevents Python from buffering stdout and stderr
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Set the working directory to /app
WORKDIR /app

# Install system dependencies
# gcc and other tools might be needed for some python packages
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements file
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 5000
EXPOSE 5000

# Run the application
CMD ["python", "app.py"]