Application

• HelloWorld
  • Uses Spark framework
  • Gets Heroku PORT from environment to set Spark WebServer port
  • Serves a page at https://[server]/hello

Test

• EmptyTest
  • Dummy test asserting 1=1 (always passes)

Maven Build

• Builds a jar with all the dependencies
  • uses maven-assembly-plugin
  • on the package command

CI/CD using GitHub Actions

• Created a repository secret secrets.HEROKUAPIKEY to use
• .github/workflows/maven.yml
  • Checkout the project using actions/checkout@v3
  • Setups JDK 17
  • Build and test running mvn package
  • Publish test report using scacap/action-surefire-report@v1
  • Deploy to Heroku (Irene's account) using akhileshns/[email protected]
    • use secrets.HEROKUAPIKEY

Run on Heroku

• Heroku's configurations to run the application:
  • system.properties
    • define JDK 17
  • Procfile
    • tells Heroku how to run
      web: java -cp ./target/walking-scheleton-1-jar-with-dependencies.jar HelloWorld