# Start from a Python base image (choose a version matching your needs)
FROM python:3.10-slim

# Set the working directory in the container
WORKDIR /app

# Install OS-level dependencies needed for bcrypt and potentially other packages
# This is for Debian-based images like python:3.10-slim
RUN apt-get update && apt-get install -y \
    build-essential \
    libffi-dev \
    python3-dev \
    # Add any other OS packages your app might need
    && rm -rf /var/lib/apt/lists/*

# Copy the requirements file into the container
COPY requirements.txt .

# Install Python dependencies
# Using --no-cache-dir can help ensure fresh installs
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of your application code into the container
COPY . .

# Expose the port Streamlit runs on (default is 8501)
EXPOSE 8501

# Command to run your Streamlit application
# Ensure app.py is your main Streamlit script
CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]