Which solution will meet these requirements with the LEAST downtime during migration?
Use the PutClusterCapacityProviders API operation to associate the ECS cluster with the FARGATE and FARGATE_SPOT capacity provider strategies. Use FARGATE as Provider 1 with a base value. Use FARGATE_SPOT as Provider 2 for failover.
Use the CreateCapacityProvider API operation to associate the ECS cluster with the FARGATE and FARGATE_SPOT capacity provider strategies. Use FARGATE as Provider 1 with a base value. Use FARGATE_SPOT as Provider 2 for failover.
Use the PutClusterCapacityProviders API operation to associate the ECS cluster with the FARGATE and FARGATE_SPOT capacity provider strategies. Use FARGATE_SPOT as Provider 1 with a base value. Use FARGATE as Provider 2 for failover.
Use the CreateCapacityProvider API operation to associate the ECS cluster with the FARGATE and FARGATE_SPOT capacity provider strategies. Use FARGATE_SPOT as Provider 1 with a base value. Use FARGATE as Provider 2 for failover.
I categorize that the answer is:
Use the PutClusterCapacityProviders API operation to associate the ECS cluster with the FARGATE and FARGATE_SPOT capacity provider strategies. Use FARGATE as Provider 1 with a base value. Use FARGATE_SPOT as Provider 2 for failover.