pipeline:

  build:
    image: alpine:edge
    commands:
      - sed -i 's@<TAG>@${BUILD_VERSION}@' Dockerfile

  docker:
    image: plugins/docker
    repo: bunix42/ttrss
    tags:
     - ${BUILD_VERSION}
    secrets: [ docker_username, docker_password ]
    
matrix:
  BUILD_VERSION:
    - master
    - 17.4
    - 17.12
    - 18.12