将后端服务部署到云托管平台时，docker总是拉取不到镜像

报错信息如下：

[2026-02-07 20:34:35 #3 [internal] load metadata for docker.io/library/openjdk:17-jdk-slim

[2026-02-07 20:34:35 #3 DONE 1.1s

[2026-02-07 20:34:36]

[2026-02-07 20:34:36 #2 [internal] load metadata for docker.io/library/maven:3.8.8-openjdk-17

[2026-02-07 20:34:37 #2 ERROR: docker.io/library/maven:3.8.8-openjdk-17: not found

[2026-02-07 20:34:37] ------

[2026-02-07 20:34:37] > [internal] load metadata for docker.io/library/maven:3.8.8-openjdk-17:

[2026-02-07 20:34:37] ------

[2026-02-07 20:34:37] Dockerfile:2

[2026-02-07 20:34:37] --------------------

[2026-02-07 20:34:37] 1 | # 第一阶段：编译构建（生成target目录）

[2026-02-07 20:34:37] 2 | >>> FROM maven:3.8.8-openjdk-17 AS builder

[2026-02-07 20:34:37] 3 | # 设置工作目录

[2026-02-07 20:34:37] 4 | WORKDIR /app

[2026-02-07 20:34:37] --------------------

[2026-02-07 20:34:37] ERROR: failed to solve: maven:3.8.8-openjdk-17: failed to resolve source metadata for docker.io/library/maven:3.8.8-openjdk-17: docker.io/library/maven:3.8.8-openjdk-17: not found

如果有部署成功的示例可以发我一下谢谢