netzwerg / docker-compose-gradle-war-example

Demo Gradle-based Java web app hot-deploy to dockerized Tomcat (incl. remote debugging)

docker-compose-gradle-war-example

A Gradle-based example project demonstrating hot-deploy of a Java web application to a dockerized Tomcat.

Build *.war via Gradle (continuous mode):

./gradlew -t build

Deploy to dockerized Tomcat:

docker-compose up

Access demo:

http://localhost:8080/docker-compose-gradle-war-example/hello

Try this:

• Change the source 👩🏼‍💻

• Watch how Gradle re-builds the war file 🎁

• Watch how Tomcat re-deploys the web app 💫

• Refresh the browser 🔄

• See your changes & celebrate! ✨

Remote Debugging

The provided docker-compose.yml already contains the configuration necessary for remote debugging via JPDA (Java Platform Debugger Architecture).

Use your favorite IDE to connect to the target VM via localhost:8000:

Try this:

• Set a breakpoint in your source 🛑

• Refresh the browser 🔄

• Use the debugger to step through your code 🐞

License

Licensed under MIT License.

© Rahel Lüthy 2019