fix: Update nginx configuration to use /dev/shm for temp paths and improve logging

Dockerfile

@@ -20,34 +20,39 @@ FROM nginx:alpine
 COPY --from=build /app/build /usr/share/nginx/html
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 
-# Create a proper nginx.conf with temp paths in the http context
-RUN mkdir -p /tmp/nginx && \
-    { \
-        echo 'user  nginx;'; \
+# Create a proper nginx.conf using /dev/shm which is usually writable in containers
+RUN { \
         echo 'worker_processes  auto;'; \
-        echo 'error_log  /var/log/nginx/error.log notice;'; \
-        echo 'pid        /tmp/nginx.pid;'; \
+        echo 'error_log  /dev/stderr warn;'; \
+        echo 'pid        /dev/shm/nginx.pid;'; \
         echo 'events {'; \
         echo '    worker_connections  1024;'; \
         echo '}'; \
         echo 'http {'; \
         echo '    include       /etc/nginx/mime.types;'; \
         echo '    default_type  application/octet-stream;'; \
-        echo '    client_body_temp_path /tmp/nginx/client_temp;'; \
-        echo '    proxy_temp_path /tmp/nginx/proxy_temp;'; \
-        echo '    fastcgi_temp_path /tmp/nginx/fastcgi_temp;'; \
-        echo '    uwsgi_temp_path /tmp/nginx/uwsgi_temp;'; \
-        echo '    scgi_temp_path /tmp/nginx/scgi_temp;'; \
+        echo '    client_body_temp_path /dev/shm/client_temp;'; \
+        echo '    proxy_temp_path /dev/shm/proxy_temp;'; \
+        echo '    fastcgi_temp_path /dev/shm/fastcgi_temp;'; \
+        echo '    uwsgi_temp_path /dev/shm/uwsgi_temp;'; \
+        echo '    scgi_temp_path /dev/shm/scgi_temp;'; \
         echo '    log_format  main  "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"";'; \
-        echo '    access_log  /var/log/nginx/access.log  main;'; \
+        echo '    access_log  /dev/stdout  main;'; \
         echo '    sendfile        on;'; \
         echo '    keepalive_timeout  65;'; \
         echo '    include /etc/nginx/conf.d/*.conf;'; \
         echo '}'; \
     } > /etc/nginx/nginx.conf
 
+# Create necessary directories in /dev/shm for nginx temp files
+RUN mkdir -p /dev/shm/client_temp \
+    /dev/shm/proxy_temp \
+    /dev/shm/fastcgi_temp \
+    /dev/shm/uwsgi_temp \
+    /dev/shm/scgi_temp
+
 # Expose port
 EXPOSE 3000
 
-# Start nginx without the problematic include
+# Start nginx
 CMD ["nginx", "-g", "daemon off;"]