Ghost/index.js

// # Ghost Startup
// Orchestrates the startup of Ghost when run from command line.
var ghost = require('./core'),
    debug = require('debug')('ghost:boot:index'),
    express = require('express'),
    logging = require('./core/server/logging'),
    errors = require('./core/server/errors'),
    utils = require('./core/server/utils'),
    parentApp = express();

debug('Initialising Ghost');
ghost().then(function (ghostServer) {
    // Mount our Ghost instance on our desired subdirectory path if it exists.
    parentApp.use(utils.url.getSubdir(), ghostServer.rootApp);

    debug('Starting Ghost');
    // Let Ghost handle starting our server instance.
    return ghostServer.start(parentApp).then(function afterStart() {
        // if IPC messaging is enabled, ensure ghost sends message to parent
        // process on successful start
        if (process.send) {
            process.send({started: true});
        }
    });
}).catch(function (err) {
    if (!errors.utils.isIgnitionError(err)) {
        err = new errors.GhostError({err: err});
    }

    if (process.send) {
        process.send({started: false, error: err.message});
    }

    logging.error(err);
    process.exit(-1);
});