Ghost config.js for Heroku

config.js

// # Ghost Configuration
// Setup your Ghost install for various environments

var path = require('path'),
    url = require('url'),
    config;

config = {
    // ### Development **(default)**
    development: {
        // The url to use when providing links to the site, E.g. in RSS and email.
        url: 'http://my-ghost-blog.com',

        // Example mail config
        // Visit http://docs.ghost.org/mail for instructions
        // ```
        //  mail: {
        //      transport: 'SMTP',
        //      options: {
        //          service: 'Mailgun',
        //          auth: {
        //              user: '', // mailgun username
        //              pass: ''  // mailgun password
        //          }
        //      }
        //  },
        // ```

        /*
        database: {
            client: 'sqlite3',
            connection: {
                filename: path.join(__dirname, '/content/data/ghost-dev.db')
            },
            debug: false
        },
        */

        database: {
                client: 'postgres',
                connection: function() {
                    // DATABASE_URL = postgres://user:password@hostname.com:5432/dbName
                    var dbUrl = url.parse(process.env['DATABASE_URL']);
                    var auth = (dbUrl.auth || ':').split(':');
                    var user = auth[0];
                    var password = auth[1];
                    var host = dbUrl.hostname;
                    var port = dbUrl.port ? dbUrl.port : '5432'
                    var database = dbUrl.pathname ? dbUrl.pathname.slice(1) : null;
                    var config = {
                        host: host,
                        port: port,
                        user: user,
                        password: password,
                        database: database
                    };
                    return config; 
                }()
        },

        server: {
            // Host to be passed to node's `net.Server#listen()`
            host: '0.0.0.0',
            // Port to be passed to node's `net.Server#listen()`, for iisnode set this to `process.env.PORT`
            port: process.env.PORT
        }
    },

    // ### Production
    // When running Ghost in the wild, use the production environment
    // Configure your URL and mail settings here
    production: {
        url: 'http://my-ghost-blog.com',
        mail: {},
        database: {
            client: 'sqlite3',
            connection: {
                filename: path.join(__dirname, '/content/data/ghost.db')
            },
            debug: false
        },
        server: {
            // Host to be passed to node's `net.Server#listen()`
            host: '127.0.0.1',
            // Port to be passed to node's `net.Server#listen()`, for iisnode set this to `process.env.PORT`
            port: '2368'
        }
    },

    // **Developers only need to edit below here**

    // ### Testing
    // Used when developing Ghost to run tests and check the health of Ghost
    // Uses a different port number
    testing: {
        url: 'http://127.0.0.1:2369',
        database: {
            client: 'sqlite3',
            connection: {
                filename: path.join(__dirname, '/content/data/ghost-test.db')
            }
        },
        server: {
            host: '127.0.0.1',
            port: '2369'
        }
    },

    // ### Travis
    // Automated testing run through Github
    travis: {
        url: 'http://127.0.0.1:2368',
        database: {
            client: 'sqlite3',
            connection: {
                filename: path.join(__dirname, '/content/data/ghost-travis.db')
            }
        },
        server: {
            host: '127.0.0.1',
            port: '2368'
        }
    }
};

// Export config
module.exports = config;

test.txt