renovate-docker/.drone.yml

name: Build Docker
kind: pipeline
type: docker
steps:

  - name: Extract Tags
    image: alpine
    commands:
      - cat Dockerfile | grep FROM | sed -r 's/FROM .*:(.*).*/\1,slim/' > .tags
  
  - name: Build and Push docker
    image: plugins/docker
    settings:
      username:
        from_secret: docker_username
      password:
        from_secret: docker_password
      repo:  harbor.sebclem.fr/sebclem/renovate
      registry: harbor.sebclem.fr

  - name: Notify
    image: drillster/drone-email
    settings:
      host: 
        from_secret: mail_host
      username: 
        from_secret: mail_username
      password: 
        from_secret: mail_password
      from: 
        from_secret: mail_from 
    when:
      status: [ changed, failure ]

trigger:
  event:
    - push
    - cron
    - custom
  branch:
    - master