[ecs] ContainerImage.fromRegistry docs issue — how to use custom Docker image tag?

[zulhfreelancer]

This is a 📕 documentation issue about ContainerImage.fromRegistry method where it's not clear how to supply a custom Docker image tag i.e. not-latest when using a public Docker image from Docker Hub.

When I was Googling around, I found this Medium post containing this line inside it:

ecs.ContainerImage.fromRegistry(“okaycloud/dummywebserver:latest”)

So, I assume, the method does actually support custom Docker image tag if it's separated by colon symbol i.e. image-name:tag-name but it wasn't made clear in the docs page.

Can someone confirm this? If it's correct, I'm happy to submit a PR to improve this section.

[el-veee]

I too would like guidance on this

[el-veee]

Note on the above ^^^ My CDK deployment which was failing when I was using "sonatype/nexus3" worked when I replaced it with "sonatype/nexus3:latest"

[namedgraph]

I think an explicit tag() method would be clearer.

[pahud]

Closing this issue as we already clarified it in the latest example.
https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ecs.ContainerImage.html

import * as cdk from 'aws-cdk-lib';
import * as efs from 'aws-cdk-lib/aws-efs';

declare const myFileSystem: efs.IFileSystem;

const jobDefn = new batch.EcsJobDefinition(this, 'JobDefn', {
  container: new batch.EcsEc2ContainerDefinition(this, 'containerDefn', {
    image: ecs.ContainerImage.fromRegistry('public.ecr.aws/amazonlinux/amazonlinux:latest'),
    memory: cdk.Size.mebibytes(2048),
    cpu: 256,
    volumes: [batch.EcsVolume.efs({
      name: 'myVolume',
      fileSystem: myFileSystem,
      containerPath: '/Volumes/myVolume',
    })],
  }),
});

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