compose/tests/fixtures/extends/common-env-labels-ulimits.yml

web:
  extends:
    file: common.yml
    service: web
  environment:
    - FOO=2
    - BAZ=3
  labels: ['label=one']
  ulimits:
    nproc: 65535
    memlock:
        soft: 1024
        hard: 2048