Deploying a Java web app to Tomcat sounds like it should need a deploy tool. It does not. You copy one file into one folder, and Tomcat does the rest.
Source: [Dev.to](https://dev.to/ndcodes/100-days-of-devops-and-cloud-aws-day-11-a-war-file-deploys-itself-and-an-eni-is-a-network-card-45o0)