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# syntax=docker/dockerfile:1

# Comments are provided throughout this file to help you get started.
# If you need more help, visit the Dockerfile reference guide at
# https://docs.docker.com/go/dockerfile-reference/

# Want to help us make this template better? Share your feedback here: https://forms.gle/ybq9Krt8jtBL3iCk7

ARG PYTHON_VERSION=3.9.0
FROM python:${PYTHON_VERSION}-slim as base

# Prevents Python from writing pyc files.

# Keeps Python from buffering stdout and stderr to avoid situations where
# the application crashes without emitting any logs due to buffering.
ENV PYTHONUNBUFFERED=1

WORKDIR /app

RUN useradd -m -s /bin/bash appuser && \
    # Give necessary permissions
    chown -R appuser:appuser /app
    
    USER appuser
    
    ENV HOME=/home/appuser \
    PATH=/home/appuser/.local/bin:$PATH

ENV TRANSFORMERS_CACHE=$HOME/app/.cache/huggingface/hub


COPY --chown=appuser ./requirements.txt requirements.txt
RUN mkdir -p /app/.cache \
    && chown -R appuser:appuser /app/.cache

# Download dependencies as a separate step to take advantage of Docker's caching.
# Leverage a cache mount to /root/.cache/pip to speed up subsequent builds.
# Leverage a bind mount to requirements.txt to avoid having to copy them into
# into this layer.
RUN python -m pip install --upgrade pip \
    && pip install -r requirements.txt

# Copy the source code into the container.
COPY --chown=appuser . .

# Expose the port that the application listens on.
EXPOSE 7860

# Run the application.
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--reload"]