ECR Lifecycle Policy

ecr_lifecycle_policy.json

{
  "rules": [
    {
      "action": {
        "type": "expire"
      },
      "selection": {
        "countType": "imageCountMoreThan",
        "countNumber": 3,
        "tagStatus": "tagged",
        "tagPrefixList": [
          "development"
        ]
      },
      "description": "Keep at least the development image",
      "rulePriority": 10
    },
    {
      "rulePriority": 20,
      "description": "Remove images older than 90 days",
      "selection": {
        "tagStatus": "any",
        "countType": "sinceImagePushed",
        "countUnit": "days",
        "countNumber": 30
      },
      "action": {
        "type": "expire"
      }
    }
  ]
}