build: fix dockerfile issue

Dockerfile

@@ -26,7 +26,7 @@ FROM node:20-alpine as runner
 WORKDIR /app
 
 # Copy the built app from the builder
-COPY --from=builder /app/next.config.js ./
+COPY --from=builder /app/next.config.ts ./
 COPY --from=builder /app/.next ./.next
 COPY --from=builder /app/node_modules ./node_modules
 COPY --from=builder /app/public ./public