In this strategy, a new service is only created for the very first deployment. Every subsequent deployment will just update the existing service. Shippable makes a best effort guarantee for zero downtime in the upgrade method.
The upgrade strategy is specified by setting the
method attribute on the deploy to
jobs: - name: app_deploy_job type: deploy method: upgrade # add this to your deploy job steps: - IN: app_service_def - IN: op_cluster - IN: app_replicas
Source code: devops-recipes/deploy-ecs-strategy
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