**To describe a compute environment** This example describes the `P2OnDemand` compute environment. Command:: aws batch describe-compute-environments --compute-environments P2OnDemand Output:: { "computeEnvironments": [ { "status": "VALID", "serviceRole": "arn:aws:iam::012345678910:role/AWSBatchServiceRole", "computeEnvironmentArn": "arn:aws:batch:us-east-1:012345678910:compute-environment/P2OnDemand", "computeResources": { "subnets": [ "subnet-220c0e0a", "subnet-1a95556d", "subnet-978f6dce" ], "tags": { "Name": "Batch Instance - P2OnDemand" }, "desiredvCpus": 48, "minvCpus": 0, "instanceTypes": [ "p2" ], "securityGroupIds": [ "sg-cf5093b2" ], "instanceRole": "ecsInstanceRole", "maxvCpus": 128, "type": "EC2", "ec2KeyPair": "id_rsa" }, "statusReason": "ComputeEnvironment Healthy", "ecsClusterArn": "arn:aws:ecs:us-east-1:012345678910:cluster/P2OnDemand_Batch_2c06f29d-d1fe-3a49-879d-42394c86effc", "state": "ENABLED", "computeEnvironmentName": "P2OnDemand", "type": "MANAGED" } ] }