.drone.yml

kind: pipeline
type: docker
name: default

steps:
  - name: generate
    image: alpine
    pull: if-not-exists
    commands:
    - echo PLUGIN_REPO=foo/bar > inputs.txt
    - cat inputs.txt

  - name: build
    image: plugins/docker
    pull: if-not-exists
    settings:
      dry_run: true
      env_file: inputs.txt
      tags:
      - latest
      - ${DRONE_BRANCH}