# 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 

# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Set the working directory in the container
WORKDIR /app

# Copy the current directory contents into the container at /app
COPY . /app

# Install any needed packages specified in requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Make port 8501 available to the world outside this container
EXPOSE 8501

# Define environment variable
ENV STREAMLIT_SERVER_PORT=8501

# Run streamlit when the container launches
ENTRYPOINT ["streamlit", "run", "app"]
CMD ["--server.port=8501"]