FROM python:3.10-slim

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

EXPOSE 8501

# Validate required env vars are present before starting
CMD streamlit run app.py     --server.port=8501     --server.address=0.0.0.0     --server.headless=true     --browser.gatherUsageStats=false