Boilerplates, base config, folder structure, utils, etc.

models/index.js

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+"use strict";
+const fs = require("fs");
+const path = require("path");
+const Sequelize = require("sequelize");
+
+const basename = path.basename(__filename);
+const env = process.env.NODE_ENV || "development";
+const config = require(__dirname + "/../config/config.js")[env];
+const db = {};
+
+// Create new Sequelize instance
+let sequelize;
+if (config.use_env_variable) {
+  sequelize = new Sequelize(process.env[config.use_env_variable], config);
+} else {
+  sequelize = new Sequelize(config.database, config.username, config.password, config);
+}
+
+// Read model definitions from folder
+fs
+  .readdirSync(__dirname)
+  .filter(file => {
+    return (file.indexOf(".") !== 0) && (file !== basename) && (file.slice(-3) === ".js");
+  })
+  .forEach(file => {
+    const model = require(path.join(__dirname, file))(sequelize, Sequelize.DataTypes);
+    db[model.name] = model;
+  });
+
+// Setup defined associations
+Object.keys(db).forEach(modelName => {
+  if (db[modelName].associate) {
+    db[modelName].associate(db);
+  }
+});
+
+db.sequelize = sequelize;
+db.Sequelize = Sequelize;
+
+module.exports = db;