Dockerfile

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

# Set working directory
WORKDIR /app

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

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

# Create necessary writable directories
RUN mkdir -p /app/uploads \
             /app/saved_models \
             /app/predictions \
             /app/tokenizer \
             /app/cache/huggingface \
    && chmod -R 777 /app/uploads \
                   /app/saved_models \
                   /app/predictions \
                   /app/tokenizer \
                   /app/cache

# Copy all application files
COPY . /app/
COPY ../dataset_utils.py /app/
COPY ../train_utils.py /app/
COPY ../config.py /app/
COPY ../label_encoders.pkl /app/

# Set environment variables
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1
ENV TRANSFORMERS_CACHE=/app/cache/huggingface

# Expose the FastAPI port
EXPOSE 7860

# Run the FastAPI app
CMD ["python", "app.py"]