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

# Set a working directory for the application
WORKDIR /app

# Copy the Python and system requirements files to the container
COPY ./requirements.txt /app/requirements.txt
COPY ./app.py /app/app.py
COPY ./src /app/src

# RUN apt-get update && xargs -r -a /app/packages.txt apt-get install -y && rm -rf /var/lib/apt/lists/*
RUN apt-get update && apt-get install -y \
    build-essential \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/*

# Upgrade pip, setuptools, and wheel, then install Python dependencies
RUN pip install --upgrade pip setuptools wheel && pip install --no-cache-dir -r /app/requirements.txt

# Create a non-root user and switch to it
RUN useradd -m user
USER user
ENV HOME /home/user
ENV PATH $HOME/.local/bin:$PATH

# Copy the application source code to the container (as the non-root user)
COPY --chown=user:user . $HOME/app

# Set the working directory to the app directory
WORKDIR $HOME/app

# Expose the port the app runs on
EXPOSE 8501

# Define the command to run the app
CMD streamlit run app.py \
    --server.headless true \
    --server.address 0.0.0.0 \
    --server.enableCORS false \
    --server.enableXsrfProtection false \
    --server.fileWatcherType none