FROM python:3.11
WORKDIR /app

# Combine all system dependency installations into a single RUN command
# This ensures apt-get update runs every time a new package is added.
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    software-properties-common \
    git \
    libgl1-mesa-glx \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install Python packages
COPY requirements.txt ./
COPY src/ ./src/
RUN pip3 install --no-cache-dir -r requirements.txt

# Expose the Streamlit port
EXPOSE 8501

# Healthcheck to see if the app is responsive
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health

# Command to run the Streamlit application
ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]