Dockerfile

#FROM langfuse/langfuse:2

#USER root

### Install PostgreSQL and necessary dependencies
#RUN apk update && apk add --no-cache \
#    postgresql \
#    postgresql-contrib \
#    net-tools \
#    iproute2 \
#    sed \
#    libpq-dev

### Copy and set up the wrapper script
#COPY docker-entrypoint-wrapper.sh /docker-entrypoint-wrapper.sh
#RUN chmod +x /docker-entrypoint-wrapper.sh

#EXPOSE 3000

#ENTRYPOINT ["dumb-init", "--", "/docker-entrypoint-wrapper.sh"]
#========================


### added from article "create your first docker"
# read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
# you will also find guides on how best to write your Dockerfile
FROM python:3.11-slim

# Install curl and ca-certificates (ca-certificates might already be installed, but it's safe to include)
RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates && rm -rf /var/lib/apt/lists/*

# The two following lines are requirements for the Dev Mode to be functional
# Learn more about the Dev Mode at https://huggingface.co/dev-mode-explorers
#RUN useradd -m -u 1000 user
WORKDIR /app

COPY requirements.txt .

# Install uv for faster dependency resolution, then install packages system-wide
RUN pip install --no-cache-dir uv --root-user-action ignore && \
    #pip install --no-cache-dir uv && \
    uv pip install --system --no-cache-dir -r requirements.txt

## Download Bootstrap
RUN mkdir -p static && \
    curl -o static/bootstrap.min.css https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css && \
    curl -o static/bootstrap.bundle.min.js https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js

# Preload Flan-T5-small (optional, but speeds first load; uses ~250MB)
RUN python -c "from transformers import pipeline; pipeline('text2text-generation', model='google/flan-t5-small')" 
#&& \
    #python -c "from datasets import load_dataset; load_dataset('squad', split='train[:1%]')"

# Copy app code last
#COPY app/static
COPY . .

#Persistent Storage: Enable in HF Settings > Persistent Storage (request 5-10GB free tier)
#VOLUME ["/data"]

# Expose port (HF proxies it)
EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]