crane.json

{
    "containers": {
        "silex_server":  {
            "dockerfile": "server",
            "image": "i_silex_server",
            "run": {
                "publish": ["80:80"],
                "tty": true,
                "interactive": true,
                "volumes-from": ["silex_app"],
                "link": ["silex_db:db"],
                "detach": true
            }
        },
        "silex_app": {
            "dockerfile": "app",
            "image": "i_silex_app",
            "run": {
                "volume": ["app/silex:/srv/www"],
                "tty": true,
                "interactive": true,
                "detach": true
            }
        },
        "silex_db": {
            "image": "orchardup/mysql",
            "run": {
                "publish": ["3306:3306"],
                "env": ["MYSQL_ROOT_PASSWORD=root", "MYSQL_DATABASE=silex", "MYSQL_USER=silex", "MYSQL_PASSWORD=silex"],
                "detach": true
            }
        }
    },
    "groups": {
        "serverandapp": ["silex_server", "silex_app"]
    }
}