.travis.yml

language: minimal
dist: bionic

services:
- docker

branches:
  only:
  - master

env:
- ARCH=amd64
- ARCH=arm32v6
- ARCH=arm64v8

install:
- echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
- docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
- docker build --build-arg ARCH=$ARCH -f Dockerfile.multiarch -t $TRAVIS_REPO_SLUG:latest-$ARCH .
- '[ "$TRAVIS_EVENT_TYPE" != push ] || docker push $TRAVIS_REPO_SLUG:latest-$ARCH'

script: skip

jobs:
  include:
  - stage: manifest
    if: type = push
    env:
    - DOCKER_CLI_EXPERIMENTAL=enabled
    install:
    - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
    - |-
      docker manifest create $TRAVIS_REPO_SLUG:latest \
        $TRAVIS_REPO_SLUG:latest-amd64 \
        $TRAVIS_REPO_SLUG:latest-arm32v6 \
        $TRAVIS_REPO_SLUG:latest-arm64v8
    - docker manifest annotate $TRAVIS_REPO_SLUG:latest $TRAVIS_REPO_SLUG:latest-amd64 --os linux --arch amd64
    - docker manifest annotate $TRAVIS_REPO_SLUG:latest $TRAVIS_REPO_SLUG:latest-arm32v6 --os linux --arch arm --variant v6
    - docker manifest annotate $TRAVIS_REPO_SLUG:latest $TRAVIS_REPO_SLUG:latest-arm64v8 --os linux --arch arm64 --variant v8
    - docker manifest push $TRAVIS_REPO_SLUG:latest
    script: skip