Description

Example of typical Java web service with the most popular technologies: Spring, JPA/Hibernate.

Architecture

Environment

Simplified production environment contains the following components:

The flow and responsobiliries

1. Actor does some action with web/mobile client
2. The client sends HTTP request to a server
3. Proxy routes request to a particular component
4. Static data server holds and serves static data like images, javascript, html and so on
5. Java Web service contains business logic and process business data
6. Database provide durable storage for business data

Java web service

Typical Java web service has the following architecture

How to build

To build the service the following tools are required:

1. JDK 11+
2. Maven 3.6+

Execute mvn install

How to run

To run the service a servlet container is required. The service works at leat in (Tomcat 9, Jetty 9.24, WildFly 25)

1. mv target/web-service-example-1.0-SNAPSHOT.war {servletcontierhome}/webapps
2. startup your servlet container

To check press http://localhost:8080 or execute curl http://localhost:8080