Dockerfile

# Base image
FROM python:3.10-slim

# Environment setup
ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Set Hugging Face cache dirs (writable)
ENV HF_HOME=/tmp/.hf_cache
ENV HF_DATASETS_CACHE=/tmp/.hf_cache
ENV TRANSFORMERS_CACHE=/tmp/.hf_cache
ENV TMPDIR=/tmp

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    libatlas3-base \
    libopenblas-dev \
    git \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user for Hugging Face Spaces
RUN useradd -m -u 1000 user

# Set working directory
WORKDIR /app

# Copy requirements first (for caching)
COPY requirements.txt .

# Install Python packages
RUN python -m pip install --upgrade pip setuptools wheel && \
    pip install --no-cache-dir numpy && \
    pip install --no-cache-dir -r requirements.txt

# Copy the entire repo (so fintech_project/ is available)
COPY --chown=user:user . .

# Create cache directories with proper permissions
RUN mkdir -p /tmp/.hf_cache && \
    chmod -R 777 /tmp && \
    chown -R user:user /app

# Switch to non-root user
USER user

# Expose Streamlit port
EXPOSE 8501

# Run Streamlit app inside subdirectory
CMD ["streamlit", "run", "fintech_project/app.py", "--server.port=8501", "--server.headless=true"]