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78 lines
2.2 KiB
Markdown
78 lines
2.2 KiB
Markdown
# Image
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Images are templates for containers, containing all files and configurations needed to run applications. Through the image management page, you can pull, view, and delete local images.
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## Image List
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Go to **Container** > **Image** tab to view the local image list.
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The list displays the following information:
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- **ID**: Image ID
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- **Container Count**: Number of containers using this image
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- **Image**: Image name and tag
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- **Size**: Disk space occupied by the image
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- **Created Time**: Image creation time
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- **Actions**: Delete, etc.
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## Pull Image
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1. Click the **Pull Image** button
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2. Enter the image name, e.g., `nginx:latest`, `mysql:8.4`
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3. Click confirm to start pulling
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Image name format: `[registry_address/]image_name[:tag]`
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- `nginx` - Pull the latest tag of the official nginx image
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- `nginx:1.28` - Pull a specific version
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- `mysql:8.4` - Pull MySQL version 8.4
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- `registry.cn-hangzhou.aliyuncs.com/xxx/yyy:latest` - Pull from Alibaba Cloud image registry
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::: tip Note
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Pulling Docker Hub images from servers in China may be slow. It is recommended to configure an image accelerator or use domestic image sources.
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:::
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## Delete Image
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Select an image and click the **Delete** button to delete the image.
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::: warning Note
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If the image is being used by containers, you need to delete the related containers before deleting the image.
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:::
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## Clean Images
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Click **Clean Images** to delete all unused images and free up disk space.
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The cleanup operation will delete:
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- Dangling images
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- Images not used by any container
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## Image Sources
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### Docker Hub
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Docker's official image registry, containing a large number of official and community images.
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Common official images:
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- `nginx` - Web server
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- `mysql` / `mariadb` - Database
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- `redis` - Cache
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- `postgres` - PostgreSQL database
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- `node` - Node.js runtime environment
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- `python` - Python runtime environment
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### Domestic Image Sources
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- Alibaba Cloud: `registry.cn-hangzhou.aliyuncs.com`
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- Tencent Cloud: `ccr.ccs.tencentyun.com`
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- Huawei Cloud: `swr.cn-north-4.myhuaweicloud.com`
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### Private Registry
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If you have a private image registry, you can directly use the full image address to pull.
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