docker配置加速
时间: 2024-09-27 18:01:29 浏览: 187
Docker 配置加速主要是为了提高镜像下载速度,特别是在网络环境较差或者镜像库较远的情况下。Docker 使用 Docker registry 来存储和分发镜像。下面是几个常见的 Docker 加速配置步骤:
1. **启用 Docker 的加速功能**:
在 Docker 客户端的配置文件 (`~/.docker/config.json` 或者 `etc/docker/daemon.json`,取决于操作系统)中添加 `registry-mirrors` 或 `insecure-registries` 配置项。例如,如果使用阿里云的 Docker Hub 镜像加速服务,可以设置:
```json
{
"registry-mirrors": ["https://mirrors.aliyun.com/docker"],
}
```
或
```json
{
"insecure-registries": ["http://mirrors.aliyun.com/docker"]
}
```
2. **验证加速器地址**:
确保你使用的加速器地址是可用的,并且镜像供应商支持该加速器。
3. **更新客户端**:
更新 Docker CLI 到最新版本,以便能够利用新特性。
4. **清理缓存**:
有时候旧的镜像可能会占用空间,运行 `docker system prune` 可以清除无用的数据。
5. **环境变量**:
对于非交互式安装(如 CI/CD 环境),你可以通过环境变量 `DOCKER_HOST`, `HTTP_PROXY`, 和 `HTTPS_PROXY` 来设置代理服务器。
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