stack_compose_base:
    version: '3'
    services:
        busybox:
            image: busybox:latest
            command: sleep 3600

stack_compose_overrides:
    version: '3'
    services:
        busybox:
            environment:
                envvar: value

stack_update_expected_diff: '{"test_stack_busybox": {"TaskTemplate": {"ContainerSpec": {"Env": ["envvar=value"]}}}}'