Dockerfile

# Use a slim Python base image
FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

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

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy the application code
COPY app.py .

# Expose the port Streamlit runs on
EXPOSE 8501

# Set environment variable to make Streamlit accessible externally
ENV STREAMLIT_SERVER_PORT=8501
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0

# Health check
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health

# Run the application
CMD ["streamlit", "run", "app.py"]