allow control over sequelize logging using ENV variable

app/models/index.js

@@ -12,6 +12,7 @@ config.username = process.env.DB_USERNAME || config.username;
 config.password = process.env.DB_PASSWORD || config.password;
 config.database = process.env.DB_NAME || config.database;
 config.port = process.env.DB_PORT || config.port;
+config.logging = parseInt(process.env.SEQUELIZE_LOGGING) ? console.log : false;
 
 let sequelize;
 if (config.use_env_variable) {

development.env

@@ -3,6 +3,8 @@ DB_PASSWORD=Password for the database
 DB_NAME=Database name
 DB_PORT=Database port
 
+SEQUELIZE_LOGGING=0- no sequelize logging, 1- log to the console
+
 AMAZON_ACCES_KEY_ID=(your-key-here)
 AMAZON_SECRET_ACCESS_KEY=(your-key-here)
 AMAZON_REGION=eu-west-1