mongo.js

const mongo = require("mongoose");
const config = require("./config");
const logger = require("./logger")();
const env = config["env"];
let uri = "";

if (config["isMongoUri"]) {
  uri = config["mongo_uri"];
} else if (env === "production") {
  uri = `mongodb://${config["mongo_username"]}:${config["mongo_password"]}@${
    config["mongo_host"]
  }:${config["mongo_port"]}/${config["mongo_dbname"]}`;
} else {
  uri = `mongodb://${config["mongo_host"]}:${config["mongo_port"]}/${
    config["mongo_dbname"]
  }`;
}

mongo.connect(
  uri,
  {
    useCreateIndex: true,
    useNewUrlParser: true,
    useFindAndModify: false
  },
  err => {
    if (err) {
      throw new Error("Error connecting mongoose");
    } else {
      logger.info("Connection successfull");
    }
  }
);

module.exports = mongo;