FROM python:3.10-slim

WORKDIR /app

# Copy requirements first for better caching
COPY requirements.txt .
RUN pip install -r requirements.txt

# Copy the rest of the application
COPY . .

# Make port configurable via environment variable
ENV PORT=8501

EXPOSE ${PORT}

# Use the correct path to app.py
CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]