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AWS AmazonECS documentation change

Service: AmazonECS · 2026-01-31 · Documentation low

File: AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md

Summary

Expanded deployment type coverage, removed PRE_SCALE_UP step, changed test listener requirement to optional, and clarified bakeTimeInMinutes parameter behavior.

Security assessment

Changes are functional/documentation improvements for deployment workflows. No security-related content was added or modified. The test listener change is a feature adjustment without security implications.

Diff

diff --git a/AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md b/AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md
index f1ba9f61c..e4d4aa389 100644
--- a//AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md
+++ b//AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md
@@ -7 +7 @@ Target groupsNetwork Load BalancerConsiderations for using NLB with blue/green d
-# Network Load Balancer resources for Amazon ECS blue/green deployments
+# Network Load Balancer resources for Amazon ECS blue/green, linear and canary deployments
@@ -13,2 +12,0 @@ When your configuration includes a Network Load Balancer, Amazon ECS adds a 10 m
-  * PRE_SCALE_UP
-
@@ -131 +129 @@ For blue/green deployments with a Network Load Balancer, you need to configure l
-  * Test listener (required): Handles test traffic to validate the green service revision before shifting production traffic
+  * Test listener (optional): Handles test traffic to validate the green service revision before shifting production traffic
@@ -181 +179 @@ The key components in this configuration are:
-  * `bakeTimeInMinutes`: The duration to wait after the green service revision is deployed before shifting production traffic
+  * `bakeTimeInMinutes`: The duration when both blue and green service revisions are running simultaneously after the production traffic has shifted