GitLab Runner & Docker：错误：准备失败：错误：没有这样的图像
[英]GitLab Runner & Docker: ERROR: Preparation failed: Error: No such image
问题描述
When attempting to pull public images (eg python:3.6 , node:latest ) from Docker, our GitLab runner failed with the following error message:
当试图从 Docker 拉取公共图像（例如python:3.6 , node:latest ）时，我们的 GitLab 运行器失败并显示以下错误消息：
Running with gitlab-runner 12.2.0 (a987417a)
on GitLab Runner XYZ
Using Docker executor with image python:3.6 ... 00:17
Starting service python:3.6 ...
Pulling docker image python:3.6 ...
ERROR: Preparation failed: Error: No such image: python:3.6 (executor_docker.go:199:0s)
1 个解决方案
解决方案1
0 已采纳 2021-05-06 12:17:39
The cause was we exceeded Dockers pull rate limit :原因是我们超出了Dockers 的拉取率限制：
- Free plan – anonymous users: 100 pulls per 6 hours免费计划 – 匿名用户：每 6 小时 100 次拉取
- Free plan – authenticated users: 200 pulls per 6免费计划——经过身份验证的用户：每 6 次拉取 200 次
How can I check my current rate?如何查看我当前的费率？
See https://docs.docker.com/docker-hub/download-rate-limit/#how-can-i-check-my-current-rate请参阅https://docs.docker.com/docker-hub/download-rate-limit/#how-can-i-check-my-current-rate
How to increase the rate limit?如何提高速率限制？
Authenticate with Docker Hub to increase to 200 pulls per 6 hours:使用 Docker 集线器进行身份验证以增加到每 6 小时 200 次拉动：
docker login
Alternatively you can cache Docker images to reduce the number of calls to DockerHub from your CI/CD infrastructure.或者，您可以缓存 Docker 映像，以减少从 CI/CD 基础架构调用 DockerHub 的次数。
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