{
    "id"      : "app",
    "image"   : "megacorp/webapp",
    "cmd"     : "python server.py",
    "ports"   : ["80:80"],
    "env"     : ["FOO=BAR"],
    "links"   : ["$redis"],
    "volumes" : ["/tmp:/tmp"],
    "expose"  : ["8000","3000"]
}