Switching to user with id 1000 as per hf docs

Dockerfile

@@ -1,8 +1,11 @@
 # Base: official vLLM OpenAI-compatible server (tested version family)
 FROM vllm/vllm-openai:v0.9.1
 
-# Work as root during build
-USER root
+# Set up a new user named "user" with user ID 1000
+RUN useradd -m -u 1000 user
+
+# Switch to the "user" user
+USER user
 
 # Speed up HF downloads and avoid interactive git prompts
 ENV HF_HUB_ENABLE_HF_TRANSFER=1 \