docker-compose/pkg/e2e/fixtures/env-secret/compose.yaml

include:
  - path: child/compose.yaml
    env_file:
      - secret.env

services:
  foo:
    image: alpine
    secrets:
      - source: secret
        target: bar
        uid: "1005"
        gid: "1005"
        mode: 0440
    command: cat /run/secrets/bar

secrets:
  secret:
    environment: SECRET