FROM python:3.9-slim

# Create app directory
WORKDIR /app

RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# Set a writable streamlit config/cache directory
ENV STREAMLIT_HOME=/tmp/.streamlit
ENV STREAMLIT_CONFIG_DIR=/tmp/.streamlit
ENV XDG_CONFIG_HOME=/tmp

# Install dependencies
COPY requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

# Copy app source
COPY ./src ./src
WORKDIR /app/src

# Expose Streamlit default port
EXPOSE 8501

HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1

ENTRYPOINT ["streamlit", "run", "streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]