migrate-mongo-config.js

// In this file you can configure migrate-mongo
const env = process.env.NODE_ENV || 'development';
const config_env = require(__dirname + '/config/config.json')[env];

const config = {
  mongodb: {
    // TODO Change (or review) the url to your MongoDB:
    url: config_env.mongodbUrl + '/' + config_env.database + '?retryWrites=true',

    // TODO Change this to your database name:
    databaseName: config_env.database,

    options: {
      useNewUrlParser: true, // removes a deprecation warning when connecting
      useUnifiedTopology: true, // removes a deprecating warning when connecting
      //   connectTimeoutMS: 3600000, // increase connection timeout to 1 hour
      //   socketTimeoutMS: 3600000, // increase socket timeout to 1 hour
    }
  },

  // The migrations dir, can be an relative or absolute path. Only edit this when really necessary.
  migrationsDir: "mongo_migrations",

  // The mongodb collection where the applied changes are stored. Only edit this when really necessary.
  changelogCollectionName: "changelog",

  // The file extension to create migrations and search for in migration dir
  migrationFileExtension: ".js",

  // Enable the algorithm to create a checksum of the file contents and use that in the comparison to determin
  // if the file should be run.  Requires that scripts are coded to be run multiple times.
  useFileHash: false
};

// Return the config as a promise
module.exports = config;