fix: bump vLLM commit and revert side channel host change for DS R1 DEP deployment (#1696)

Signed-off-by: GuanLuo <41310872+GuanLuo@users.noreply.github.com>

container/Dockerfile.vllm_v1

@@ -175,7 +175,7 @@ RUN uv pip install /workspace/wheels/nixl/*.whl
 
 # Install patched vllm - keep this early in Dockerfile to avoid
 # rebuilds from unrelated source code changes
-ARG VLLM_REF="7e8d97dd3f0aaf05265f947997310ca3827d3c06"
+ARG VLLM_REF="3c545c0c3b98ee642373a308197d750d0e449403"
 ENV CUDA_HOME=/usr/local/cuda
 RUN --mount=type=bind,source=./container/deps/,target=/tmp/deps \
     --mount=type=cache,target=/root/.cache/uv \

examples/vllm_v1/components/worker.py

@@ -112,7 +112,7 @@ class VllmBaseWorker:
         This sets the port number for the side channel.
         """
         if hostname is None:
-            hostname = "127.0.0.1"
+            hostname = socket.gethostname()
         if port is None:
             with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
                 s.bind(("", 0))  # Bind to a free port provided by the host.