resolve the Nginx permission issue that Hugging Face reported

Dockerfile

@@ -49,6 +49,11 @@ RUN python3 -m pip install --upgrade pip setuptools wheel \
 COPY --chown=user:user . .
 COPY docker/nginx.conf /etc/nginx/nginx.conf
 
+# Prepare writable directories for nginx (running as non-root later)
+RUN mkdir -p /tmp/nginx/body /tmp/nginx/proxy /tmp/nginx/fastcgi /tmp/nginx/uwsgi /tmp/nginx/scgi \
+  && touch /tmp/nginx.access.log /tmp/nginx.error.log \
+  && chown -R user:user /tmp/nginx /tmp/nginx.access.log /tmp/nginx.error.log
+
 # 7. Switch to the non-root user
 USER user
 

docker/nginx.conf

@@ -8,6 +8,11 @@ events {
 
 http {
     access_log /tmp/nginx.access.log;
+    client_body_temp_path /tmp/nginx/body;
+    proxy_temp_path /tmp/nginx/proxy;
+    fastcgi_temp_path /tmp/nginx/fastcgi;
+    uwsgi_temp_path /tmp/nginx/uwsgi;
+    scgi_temp_path /tmp/nginx/scgi;
     include       /etc/nginx/mime.types;
     default_type  application/octet-stream;
     sendfile        on;