This template creates a job queue called `HighPriority` with two compute environments mapped to it. The compute environments are `C4OnDemand` and `M4Spot`. The job queue is enabled and has a priority of 1.

This template creates an AWS Batch job definition with the specified parameters. The example provided creates a job definition named 'nvidia-smi' of type 'container'. It includes container properties such as mount points, volumes, command, privileged access, job role ARN, readonly root filesystem, resource requirements, and the image to be used.

This template creates a managed compute environment called `C4OnDemand` that uses C4 On-Demand instances and a custom AMI. It specifies the maximum and minimum number of vCPUs, security group IDs, subnets, instance types, EC2 key pair, and desired number of vCPUs. The compute environment is enabled.