chore: Also use uv in jupyterhub Dockerfile

Author: natkam

examples/docker_compose/Dockerfile-Hub

@@ -6,11 +6,14 @@ RUN apt-get update && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
+# Install uv
+COPY --from=ghcr.io/astral-sh/uv:0.9.3 /uv /uvx /bin/
+
 WORKDIR /app
 
 ENV JUPYTERHUB_CRYPT_KEY=e3f92a0d5e37446c7e894a2ef6c6ec3bcb4aa3c38d2a442eb567adf780597aa0
 
-RUN python3 -m pip install grader_labextension
-RUN python3 -m pip install dockerspawner oauthenticator
+RUN  --mount=type=cache,target=/root/.cache/uv \
+    uv pip install grader_labextension dockerspawner oauthenticator
 
 CMD ["jupyterhub", "-f", "/app/jupyterhub_config.py"]