Fix: Increase Node.js memory limit to 4GB to prevent OOM

Dockerfile

@@ -15,6 +15,8 @@ COPY wiki-src/ .
 
 # Build the application
 # VuePress build command usually outputs to .vuepress/dist
+# Increase Node.js memory limit to prevent heap out of memory errors
+ENV NODE_OPTIONS="--max-old-space-size=4096"
 RUN npm run build
 
 # Stage 2: Serve the application with Nginx