Migrating Images to SWR Using Docker Commands

Scenarios

SWR provides easy-to-use image hosting and efficient distribution services. If small quantity of images need to be migrated, enterprises can use the docker pull/push command to migrate images to SWR.

Procedure

1. Pull images from the source repository.

   Run the docker pull command to pull the images.

   Example: docker pull nginx:latest

   Run the docker images command to check whether the images are successfully pulled.

   # docker images
   REPOSITORY                        TAG       IMAGE ID       CREATED         SIZE
   nginx                             latest    22f2bf2e2b4f   5 hours ago     22.8MB

2. Push the images pulled in 1 to SWR.
   1. Log in to the VM where the target container is located and log in to SWR. For details, see Uploading an Image Through a Container Engine Client.
   2. Tag the images.

      docker tag [Image name:Tag name] [Image repository address]/[Organization name]/[Image name:Tag name]

      Example:

      docker tag nginx:v1 swr.ap-southeast-1.myhuaweicloud.com/cloud-develop/nginx:v1

   3. Run the following command to push the images to the target image repository.

      docker push [Image repository address]/[Organization name]/[Image name:Tag name]

      Example:

      docker push swr.ap-southeast-1.myhuaweicloud.com/cloud-develop/nginx:v1

   4. Check whether the following information is returned. If yes, the push is successful.

      fbce26647e70: Pushed 
      fb04ab8effa8: Pushed 
      8f736d52032f: Pushed 
      009f1d338b57: Pushed 
      678bbd796838: Pushed 
      d1279c519351: Pushed 
      f68ef921efae: Pushed 
      v1: digest: sha256:0cdfc7910db531bfa7726de4c19ec556bc9190aad9bd3de93787e8bce3385f8d size: 1780

      To view the pushed image, refresh the My Images page.