Runtime environments

As mentioned earlier, a cloud-native application is a self-contained unit, hence it generally contains everything it needs to run. At the time of writing, the most-used frameworks to build a cloud-native application or a microservice are the following:

• Spring Boot
• Thorntail (formerly WildFly Swarm)
• Vert.x

Spring Boot

The process of creating standalone, production-grade, and easy-to-run Spring is made convenient by Spring Boot 2. Most Spring Boot applications need very little Spring configuration.

Spring Boot offer the following features:

• Create standalone Spring applications
• Embed Tomcat, Jetty, or Undertow directly (no need to deploy WAR files)
• Dependency management through starters and various package...