nginx-proxy-manager/backend/migrate.js

const db     = require('./db');
const logger = require('./logger').migrate;

module.exports = {
    latest: function () {
        return db.migrate.currentVersion()
            .then(version => {
                logger.info('Current database version:', version);
                return db.migrate.latest({
                    tableName: 'migrations',
                    directory: 'migrations'
                });
            });
    }
};