Package version:
OptionalbaseBase OS used to build and run the app.
OptionalenvironmentList of environment variables to be passed to the build, secrets should not be used in environment variable.
OptionalplatformPlatform to be used to build and run the app.
OptionalplatformPlatform version to be used to build and run the app.
OptionalpreList of steps to perform before the build.
Configuration of the build.