Updated environment file template

.env.template

@@ -3,9 +3,9 @@
 # Flask variables
 FLASK_APP=app
 FLASK_RUN_HOST=0.0.0.0
-FLASK_ENV=
+FLASK_ENV=development
 SECRET_KEY=
-DATABASE_URL=
+DATABASE_URL=sqlite:///db.sqlite
 
 # MariaDB variables (for production only)
 MYSQL_ROOT_PASSWORD=