Install FLUX dependencies in isolated venv

platform/docker/flux-worker/Dockerfile

@@ -5,7 +5,8 @@ ARG TRANSFORMERS_VERSION=5.15.1
 ARG ACCELERATE_VERSION=1.14.0
 ARG HF_HUB_VERSION=1.28.0
 
-RUN pip install --no-cache-dir \
+RUN python -m venv --system-site-packages /opt/flux-venv && \
+    /opt/flux-venv/bin/pip install --no-cache-dir \
       "diffusers==${DIFFUSERS_VERSION}" \
       "transformers==${TRANSFORMERS_VERSION}" \
       "accelerate==${ACCELERATE_VERSION}" \
@@ -15,4 +16,4 @@ RUN pip install --no-cache-dir \
 
 COPY flux_worker.py /app/flux_worker.py
 USER 10002:10002
-ENTRYPOINT ["python", "/app/flux_worker.py"]
+ENTRYPOINT ["/opt/flux-venv/bin/python", "/app/flux_worker.py"]