fix favicon bug

Author: yangtao

Dockerfile

@@ -72,6 +72,7 @@ COPY --from=builder /app/components ./components
 COPY --from=builder /app/styles ./styles
 COPY --from=builder /app/config ./config
 COPY --from=builder /app/types ./types
+COPY --from=builder /app/public ./public
 COPY --from=builder /app/tsconfig.json ./tsconfig.json
 COPY --from=builder /app/next.config.js ./next.config.js