DevOps Workshop Labs 
CoolStore is an online store web application built using Spring Boot, WildFly Swarm, Eclipse Vert.x, Node.js and AngularJS adopting the microservices architecture.
- Web: A Node.js/Angular front-end
- API Gateway: vert.x service aggregates API calls to back-end services and provides a condenses REST API for front-end
- Catalog: Spring Boot service exposing REST API for the product catalog and product information
- Inventory: WildFly Swarm service exposing REST API for product's inventory status
- Cart: Spring Boot service exposing REST API for shopping cart
+-------------+
| |
| Web |
| |
| Node.js |
| AngularJS |
+------+------+
|
v
+------+------+
| |
| API Gateway |
| |
| Vert.x |
| |
+------+------+
|
+---------+---------+-------------------+
v v v
+------+------+ +------+------+ +------+------+
| | | | | |
| Catalog | | Inventory | | Cart |
| | | | | |
| Spring Boot | |WildFly Swarm| | Spring Boot |
| | | | | |
+-------------+ +-------------+ +-------------+