Dockerfile

# Base image
FROM python:3.9-slim

# Set working directory
WORKDIR /app

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

# Copy requirements and install Python packages
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app source code
COPY . .

# Create necessary folders with full permissions
RUN mkdir -p /app/.streamlit \
             /app/.config/matplotlib \
             /app/.cache \
             /app/outputs \
    && chmod -R 777 /app/.streamlit \
                   /app/.config \
                   /app/.cache \
                   /app/outputs \
                   /tmp

# Copy Streamlit config
COPY .streamlit/config.toml /app/.streamlit/config.toml

# Set environment variable for Matplotlib to use writable directory
ENV MPLCONFIGDIR=/app/.config/matplotlib

# Expose Streamlit default port
EXPOSE 8501

# Start Streamlit with KPI_Dashboard.py as the main page
CMD ["streamlit", "run", "KPI_Dashboard.py", "--server.port=8501", "--server.address=0.0.0.0"]