Dockerfile

FROM python:3.9-slim

# Set working directory
WORKDIR /app

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

# 👉 CRITICAL: Set HOME to writable location
ENV HOME=/tmp

# Upgrade pip
RUN pip install --no-cache-dir --upgrade pip

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

# Copy source code
COPY src/ ./src/

# Expose port
EXPOSE 8501

# Health check
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1

# Streamlit run command with XSRF protection disabled to fix upload issues in Docker
CMD ["streamlit", "run", "src/streamlit_app.py", "--server.address=0.0.0.0", "--server.port=8501", "--server.enableXsrfProtection=false"]