Use the green button
to copy template in your own repo, clone the repo and run in the repo folder:
docker-compose up -d
you will get InterSystems IRIS 2019.4 Community Edition running with the template classes to load input data from files and Day1 solution.
This is also set up to start crafting solutions of Advent of Code 2019 and edit, compile and debug ObjectScript with VSCode addon.
Happy coding with Advent of Code 2019!