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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2025-11-22 · Documentation low

File: AWSCloudFormation/latest/TemplateReference/aws-properties-ecs-service-deploymentconfiguration.md

Summary

Added descriptions for LINEAR and CANARY deployment strategies

Security assessment

The changes provide clarification about deployment strategies without any security-specific context or vulnerability remediation.

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-properties-ecs-service-deploymentconfiguration.md b/AWSCloudFormation/latest/TemplateReference/aws-properties-ecs-service-deploymentconfiguration.md
index 3c582ad08..078684f4c 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-properties-ecs-service-deploymentconfiguration.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-properties-ecs-service-deploymentconfiguration.md
@@ -211,0 +212,4 @@ The deployment strategy for the service. Choose from these valid values:
+  * `LINEAR` \- A _linear_ deployment strategy (`LINEAR`) gradually shifts traffic from the current production environment to a new environment in equal percentages over time. With Amazon ECS linear deployments, you can control the pace of traffic shifting and validate new service revisions with increasing amounts of production traffic.
+
+  * `CANARY` \- A _canary_ deployment strategy (`CANARY`) shifts a small percentage of traffic to the new service revision first, then shifts the remaining traffic all at once after a specified time period. This allows you to test the new version with a subset of users before full deployment.
+