You can run your application in dev mode that enables live coding using:
./mvnw compile quarkus:dev
Use Docker Compose to start the Mailhog server:
cd ./docker/mailhog
docker-compose up
Use the Web UI bundeld with Maihog to view the emails in a browser:
In a web browser navigate to http://localhost:8080 and fill out the form to send a default Hello email message to the recipient.
The mail should appear in Mailhog.