Docker update

DockerFile

@@ -27,10 +27,24 @@ WORKDIR /app
 # Set to production
 ENV NODE_ENV=production
 
-# Copy necessary files
+# Create nextjs user and group
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 nextjs
+
+# Copy necessary files from builder
 COPY --from=builder /app/public ./public
-COPY --from=builder /app/.next/standalone ./
-COPY --from=builder /app/.next/static ./.next/static
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+# Create cache directory and set permissions
+RUN mkdir -p .next/cache/images && \
+    chown -R nextjs:nodejs .next
+
+# Ensure the entire app directory has proper permissions
+RUN chown -R nextjs:nodejs /app
+
+# Switch to non-root user
+USER nextjs
 
 # Expose port
 EXPOSE 3000