# Start from a standard Python image
FROM python:3.10-slim

# Set the working directory inside the container
WORKDIR /app

# 1. Install system dependencies from packages.txt
# First, copy the file over
COPY packages.txt .
# Then, update apt and install all packages listed in the file
RUN apt-get update && \
    apt-get install -y --no-install-recommends $(cat packages.txt) && \
    rm -rf /var/lib/apt/lists/*

# 2. Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# 3. Copy all your application code from your repo into the container
# This will copy the 'src' folder, README, etc.
COPY . .

# Expose the port Streamlit runs on
EXPOSE 8501

# Run the app.
# Note: We must tell streamlit to run the app from inside the 'src' folder
CMD ["streamlit", "run", "src/app.py", "--server.port=8501", "--server.address=0.0.0.0"]