FROM python:3.10

# Create user
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Set working directory
WORKDIR $HOME/app

# Install requirements
COPY --chown=user requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy app files
COPY --chown=user . .

# Expose Port
EXPOSE 8501

# --- THE FIX: Shell Command Format (No brackets) ---
CMD streamlit run app.py --server.port 8501 --server.address 0.0.0.0 --server.headless true --server.enableCORS false --server.enableXsrfProtection false