# Use official Python image
FROM python:3.10-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV LANG=C.UTF-8

# Set working directory
WORKDIR /app

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

# Install dependencies
RUN pip install --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy the rest of the code
COPY . .

# Expose Streamlit default port
EXPOSE 8501

# Streamlit config
ENV STREAMLIT_SERVER_HEADLESS=true
ENV STREAMLIT_SERVER_PORT=8501
ENV STREAMLIT_SERVER_ENABLECORS=false

# Run the Streamlit app
CMD ["streamlit", "run", "src/streamlit_app.py"]