gistfile1.txt

vagrant@vagrant-ubuntu-raring-64:~/griddle/nginx$ cat test 
FROM ubuntu
RUN echo foo > bar
FROM ubuntu
RUN echo moo > oink
vagrant@vagrant-ubuntu-raring-64:~/griddle/nginx$ docker build < test 
FROM ubuntu
RUN echo foo > bar
===> d4afcc24d3b7
FROM ubuntu
Build finished. image id: 8dbd9e392a96
8dbd9e392a96
vagrant@vagrant-ubuntu-raring-64:~/griddle/nginx$ docker inspect 8dbd9e392a96
{
    "id": "8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c",
    "comment": "Imported from -",
    "created": "2013-04-11T14:13:15.57812-07:00",
    "container_config": {
        "Hostname": "",
        "User": "",
        "Memory": 0,
        "MemorySwap": 0,
        "AttachStdin": false,
        "AttachStdout": false,
        "AttachStderr": false,
        "PortSpecs": null,
        "Tty": false,
        "OpenStdin": false,
        "StdinOnce": false,
        "Env": null,
        "Cmd": null,
        "Dns": null,
        "Image": "",
        "Volumes": null,
        "VolumesFrom": ""
    },
    "docker_version": "0.1.4"
}vagrant@vagrant-ubuntu-raring-64:~/griddle/nginx$ docker inspect d4afcc24d3b7
{
    "id": "d4afcc24d3b7b06fc54806e150b6c8c8a6eb36ea43981d697b3290a6d593e14d",
    "parent": "8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c",
    "created": "2013-05-10T20:58:24.394777Z",
    "container": "5d9cc25208c17f5d9d324bfdf0b57692dffc6adf2685a1983b0612f51620ff4e",
    "container_config": {
        "Hostname": "5d9cc25208c1",
        "User": "",
        "Memory": 0,
        "MemorySwap": 0,
        "AttachStdin": false,
        "AttachStdout": true,
        "AttachStderr": true,
        "PortSpecs": null,
        "Tty": false,
        "OpenStdin": false,
        "StdinOnce": false,
        "Env": null,
        "Cmd": [
            "/bin/sh",
            "-c",
            "echo foo \u003e bar"
        ],
        "Dns": null,
        "Image": "8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c",
        "Volumes": {},
        "VolumesFrom": ""
    },
    "docker_version": "0.3.2"
}