Dockerfile

# Use an official Python runtime as a parent image
FROM python:3.11-slim

# Set the working directory in the container
WORKDIR /app

# Set environment variables for HF cache
ENV HF_HOME=/data/hf_cache
ENV TRANSFORMERS_CACHE=/data/hf_cache/transformers
ENV HF_DATASETS_CACHE=/data/hf_cache/datasets
ENV HF_HUB_CACHE=/data/hf_cache/hub

# Create cache directories and give permissions
RUN mkdir -p /data/hf_cache/transformers /data/hf_cache/datasets /data/hf_cache/hub \
    && chmod -R 777 /data/hf_cache

# Create .streamlit directory for Streamlit configs
RUN mkdir -p /app/.streamlit

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

# Copy the rest of your app code
COPY . .

# If you have a .streamlit/config.toml, copy it explicitly
# This prevents the PermissionError when Streamlit tries to write defaults
COPY .streamlit/config.toml /app/.streamlit/

# Expose the port Streamlit runs on
EXPOSE 8501

# Run Streamlit
CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]