backend-java

Java 21 web application packaged as a WAR, without Spring, using Servlet API + JAX-RS (Jakarta EE), deployable on Tomcat , with Checkstyle, unit tests, and Maven build.

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Updates (Dependency Updates)

Check outdated dependencies

mvn versions:display-dependency-updates
mvn versions:display-plugin-updates

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🔧 Lint (Static Analysis)

Run Checkstyle to enforce code style rules:

mvn checkstyle:check

⛔️ Build fails if code does not comply with checkstyle.xml.

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🧪 Unit Tests

Run tests and generate JaCoCo coverage report:

mvn clean test
mvn jacoco:report

Coverage report generated at:

target/site/jacoco/index.html

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🏗️ Build (WAR)

Compile, test, and package as a WAR file:

mvn clean install

Generates:

target/backend-java-1.0.0.war

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🚀 Deployment on Tomcat (Production)

1. Copy the WAR file to:

<tomcat-path>/webapps

2. Start Tomcat

3. Access the application:

• http://localhost:8080/backend-java-1.0.0/
• http://localhost:8080/backend-java-1.0.0/persons

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📦 Useful Maven Commands

mvn clean
mvn compile
mvn verify
mvn package

mvn test
mvn install
mvn checkstyle:check
mvn dependency:tree
mvn clean test
mvn jacoco:report

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✅ Production Summary

mvn clean install
cp target/backend-java-1.0.0.war <TOMCAT_PATH>/webapps
# Start Tomcat

Application available at:

http://<server>:8080/backend-java-1.0.0/