allow changing ports

.env.example

@@ -2,6 +2,7 @@ DB_NAME=pontusmail
 DB_USER=root
 DB_PASSWORD=passwdhere
 DB_HOST=127.0.0.1
+DB_PORT=3306
 SESSION_SECRET=secretkeyhere
 ADMIN_USERNAME=admin
 ADMIN_PASSWORD=admin

app.js

@@ -21,6 +21,7 @@ app.use(session({
 
 const sequelize = new Sequelize(process.env.DB_NAME, process.env.DB_USER, process.env.DB_PASSWORD, {
   host: process.env.DB_HOST || '127.0.0.1',
+  port: process.env.DB_PORT || 3306,
   dialect: 'mysql'
 });