# Start from a base Python image
FROM python:3.9-slim-buster

# Set environment variables
ENV PYTHONUNBUFFERED 1
ENV PIP_Disable_Pipfunc 1

# Update package lists and upgrade packages
RUN apt-get update && apt-get install -y \
        gcc \
        musl-dev \
        libffi-dev

# Upgrade pip and set the index URL
RUN pip install --upgrade pip &&\
    pip config set global.index-url https://pypi.python.org/simple

# Copy the requirements file and install dependencies
COPY requirements.txt /app/requirements.txt
WORKDIR /app
RUN pip install --no-cache-dir -r requirements.txt

# Change the working directory
WORKDIR /app

# Copy the rest of the codebase files
COPY . /app

# Expose the port number
EXPOSE 5000

# Define entrypoint script
ENTRYPOINT ["python", "./app.py"]