ECR per Stage, or ECR per applicaiton..

[mrpackethead]

Hi,I have a app, that has a dev/test and prod stage. It deploys a container running on ECS/Fargate, with an ALB. the stages are in seperate accounts, for good seperation, with a codepipeline running in a deploy account.

code in my stack does this.. So, will end up with an ECR image being built and created in ECR in each stage.

const imageAsset = new aws_ecr_assets.DockerImageAsset(this, 'Image', {
      directory: props.assetLocation,
    });

How does this compare with deploying to a single image in one place. whats best practice, What are the pros and cons of each method.