improve placement strategy

gitboo · Mar 19, 2018 · b9629af · b9629af
1 parent 2c0c027
commit b9629af
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diff --git a/ecs/service-cluster-alb.yaml b/ecs/service-cluster-alb.yaml
@@ -324,6 +324,11 @@ Resources:
       - ContainerName: main
         ContainerPort: 80
         TargetGroupArn: !Ref LoadBalancerTargetGroup
+      PlacementStrategies:
+      - Type: spread
+        Field: 'attribute:ecs.availability-zone'
+      - Type: spread
+        Field: instanceId
       Role: !GetAtt 'ServiceRole.Arn'
       TaskDefinition: !Ref TaskDefinition
   ScalableTargetRole: # based on http://docs.aws.amazon.com/AmazonECS/latest/developerguide/autoscale_IAM_role.html

diff --git a/ecs/service-dedicated-alb.yaml b/ecs/service-dedicated-alb.yaml
@@ -339,6 +339,11 @@ Resources:
       - ContainerName: main
         ContainerPort: 80
         TargetGroupArn: !Ref DefaultTargetGroup
+      PlacementStrategies:
+      - Type: spread
+        Field: 'attribute:ecs.availability-zone'
+      - Type: spread
+        Field: instanceId
       Role: !GetAtt 'ServiceRole.Arn'
       TaskDefinition: !Ref TaskDefinition
   ScalableTargetRole: # based on http://docs.aws.amazon.com/AmazonECS/latest/developerguide/autoscale_IAM_role.html