Dockerfile

FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PORT=8501

WORKDIR /app

# System deps
RUN apt-get update -y && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for caching
COPY requirements.txt /app/requirements.txt
RUN python -m pip install --upgrade pip && \
    pip install -r requirements.txt

# Copy application
COPY . /app

EXPOSE 8501

CMD ["streamlit", "run", "streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0", "--browser.gatherUsageStats=false"]