Debugging

While it is perfectly possible to run the command yarn start to get the server going, this also requires that you’ve got a database up and running locally as well. This is obviously not ideal so Composer comes pre-packaged with configuration for Docker. With Docker you can run the service in a container, including all required databases from the command prompt.

Docker Compose

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docker-compose build
docker-compose run

Debugging in Visual Studio Code

Composer also is designed for work with Visual Studio Code out of the box. If you are using VS Code all you need to do is hit F5 once your docker container is up and running. It will automatically connect to your instance and allow for debugging of the service directly.