| # Use an official Python runtime as a parent image | |
| FROM python:3.10-slim | |
| # Set environment variables | |
| ENV PYTHONDONTWRITEBYTECODE 1 | |
| ENV PYTHONUNBUFFERED 1 | |
| # Allow statements and log messages to immediately appear in the Knative logs | |
| ENV PYTHONIOENCODING=utf-8 | |
| # Set cache directory for Hugging Face libraries to a writable location | |
| ENV HF_HOME=/app/.cache/huggingface | |
| ENV TRANSFORMERS_CACHE=/app/.cache/transformers | |
| # Create the cache directory (optional, libraries might create it, but good practice) | |
| # RUN mkdir -p /app/.cache && chown -R <user>:<group> /app/.cache # Might need user/group if not running as root | |
| # Set the working directory in the container | |
| WORKDIR /app | |
| # Create the cache directory and set permissions *before* copying files | |
| # This ensures the directory exists and is writable by the user running the process | |
| RUN mkdir -p /app/.cache && chmod -R 777 /app/.cache | |
| # Copy the requirements file into the container at /app | |
| COPY requirements.txt . | |
| # Install any needed packages specified in requirements.txt | |
| # Use --no-cache-dir to reduce image size | |
| RUN pip install --no-cache-dir --upgrade pip && \ | |
| pip install --no-cache-dir -r requirements.txt | |
| # Copy the current directory contents into the container at /app | |
| # This includes app.py, index files, model_data_json directory, etc. | |
| COPY . . | |
| # Make port 8080 available to the world outside this container | |
| # Hugging Face Spaces will map $PORT to this internally if needed, but Gunicorn binds to $PORT directly. | |
| # EXPOSE 8080 is more informational here. | |
| EXPOSE 8080 | |
| # Define the command to run the application using Gunicorn | |
| # Bind to the standard Hugging Face Spaces port 7860 explicitly | |
| # Use shell form for CMD | |
| CMD gunicorn app:app --bind 0.0.0.0:7860 --workers 1 --timeout 120 |