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November 15, 2024 09:58
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ECR Lifecycle Policy example with explanations
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| { | |
| "rules": [ | |
| { | |
| "rulePriority": 10, | |
| "description": "For `latest` tag, keep last 5 images", | |
| "selection": { | |
| "tagStatus": "tagged", | |
| "tagPrefixList": ["latest"], | |
| "countType": "imageCountMoreThan", | |
| "countNumber": 5 | |
| }, | |
| "action": { "type": "expire" } | |
| }, | |
| { | |
| "rulePriority": 20, | |
| "description": "For `master` tag, keep last 5 images", | |
| "selection": { | |
| "tagStatus": "tagged", | |
| "tagPrefixList": ["master"], | |
| "countType": "imageCountMoreThan", | |
| "countNumber": 5 | |
| }, | |
| "action": { "type": "expire" } | |
| }, | |
| { | |
| "rulePriority": 990, | |
| "description": "Only keep untagged images for 7 days", | |
| "selection": { | |
| "tagStatus": "untagged", | |
| "countType": "sinceImagePushed", | |
| "countUnit": "days", | |
| "countNumber": 7 | |
| }, | |
| "action": { "type": "expire" } | |
| }, | |
| { | |
| "rulePriority": 1000, | |
| "description": "Only keep tagged images for 15 days", | |
| "selection": { | |
| "tagStatus": "any", | |
| "countType": "sinceImagePushed", | |
| "countUnit": "days", | |
| "countNumber": 15 | |
| }, | |
| "action": { "type": "expire" } | |
| } | |
| ] | |
| } |
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The protected ones are those listed in 1 and 2.