sequelize example (; = / since gists don't allow that apparently)

database;config.js

module.exports = {
  development: {
    dialect: "sqlite",
    storage: "./db.development.sqlite"
  },
  test: {
    dialect: "sqlite",
    storage: ":memory:"
  },
  production: {
    username: process.env.DB_USERNAME,
    password: process.env.DB_PASSWORD,
    database: process.env.DB_NAME,
    host: process.env.DB_HOSTNAME,
    dialect: 'mysql',
    use_env_variable: 'DATABASE_URL'
  }
};

database;index.js

"use strict";

var fs = require("fs");
var path = require("path");
var Sequelize = require("sequelize");
var basename = path.basename(__filename);
var env = process.env.NODE_ENV || "development";
var config = require(__dirname + "/config.js")[env];
var __modelsdir = __dirname + "/models";
var db = {};

if (config.use_env_variable) {
  var sequelize = new Sequelize(process.env[config.use_env_variable], config);
} else {
  var sequelize = new Sequelize(
    config.database,
    config.username,
    config.password,
    config
  );
}

fs.readdirSync(__modelsdir)
  .filter((file) => {
    return file.indexOf(".") !== 0 && file.slice(-3) === ".js";
  })
  .forEach((file) => {
    var model = sequelize["import"](path.join(__modelsdir, file));
    db[model.name] = model;
  });

Object.keys(db).forEach((modelName) => {
  if (db[modelName].associate) {
    db[modelName].associate(db);
  }
});

db.sequelize = sequelize;
db.Sequelize = Sequelize;

module.exports = db;

database;models;character.js

"use strict";

module.exports = (sequelize, DataTypes) => {
  let Character = sequelize.define("Character", {
    name: DataTypes.STRING,
    race: DataTypes.STRING,
    gender: DataTypes.STRING,
  });

  return Character;
};

test.js

var db = require("./database");

db.sequelize.sync().then(() => {
  // CREATE
  db.Character.create({
    name: "TestName" + Math.floor(Math.random() * 1000),
    race: "TestRace",
    gender: "male",
  }).then(() => {
    console.log("Character created");
  });
  // FIND ALL
  db.Character.findAll().then((characters) => {
    characters.forEach((character) => {
      console.log(character.name);
      // UPDATE
      character.name += "updated?";
      character.save();
    });
  });
});