Marathon App Config

cgroups-based

{
    "id": "test-service",
    "instances": 2,
    "cpus": 1,
    "mem": 250,
    "cmd": "python -m SimpleHTTPServer $PORT0",
    "healthChecks": [
        {
            "gracePeriodSeconds": 3,
            "intervalSeconds": 10,
            "maxConsecutiveFailures": 3,
            "path": "/",
            "portIndex": 0,
            "protocol": "HTTP",
            "timeoutSeconds": 5
        }
    ],
    "uris": [ "file:///etc/mesos/.dockercfg" ]
}

docker-based

{
    "id": "test-service",
    "instances": 2,
    "cpus": 1,
    "mem": 250,
    "cmd": "env && python3 -m http.server 8000",
    "container": {
        "type": "DOCKER",
        "docker": {
            "image": "python:3",
            "network": "BRIDGE",
            "portMappings": [
		{ "containerPort": 8000, "hostPort": 0, "protocol": "tcp" }
            ],
            "parameters": [
                { "key" : "publish-all", "value": "true" }
            ]
        }
    },
    "healthChecks": [
        {
            "gracePeriodSeconds": 3,
            "intervalSeconds": 10,
            "maxConsecutiveFailures": 3,
            "path": "/",
            "portIndex": 0,
            "protocol": "HTTP",
            "timeoutSeconds": 5
        }
    ],
    "uris": [ "file:///etc/mesos/.dockercfg" ]
}