Making "appuser" to run entrypoint and adding nonroot cache dir

Dockerfile

@@ -90,6 +90,22 @@ FROM vllm-base AS vllm-openai
 RUN --mount=type=cache,target=/root/.cache/pip \
     pip install accelerate
 
+# Create a non-root user
+RUN useradd -m appuser
+
+# Transfer ownership of the /workspace to the new non-root user
+RUN chown -R appuser:appuser /workspace
+
+# Create a cache directory within the appuser's home directory and transfer ownership
+RUN mkdir -p /home/appuser/cache && \
+    chown -R appuser:appuser /home/appuser/cache
+
+# Switch to the non-root user for subsequent commands and container runtime
+USER appuser
+
+# Set the Hugging Face cache directory environment variable
+ENV TRANSFORMERS_CACHE=/home/appuser/cache
+
 COPY --from=build /workspace/vllm/*.so /workspace/vllm/
 COPY vllm vllm