.travis.yml

sudo: required

# Used for semver and parsing package.json
language: node_js
node_js:
  - "node"

services:
  - docker

env:
  global:
    # Docker Hub cannot handle uppercase characters in repository names. Fix it
    # with a bashism as Travis CI cannot handle quoting within command
    # substitution.
    - LOWERCASE_REPO_SLUG="${TRAVIS_REPO_SLUG,,}"
    - DOCKER_LOCAL="${LOWERCASE_REPO_SLUG}:${TRAVIS_COMMIT}"
    - DOCKER_MASTER="${LOWERCASE_REPO_SLUG}:latest"

before_install:
  - docker --version
  - echo "ENV GIT_COMMIT ${TRAVIS_COMMIT}" >> Dockerfile
  - docker build --tag "${DOCKER_LOCAL}" .

script:
  - sh ./.travis/check_semver
  - docker run --rm "${DOCKER_LOCAL}" yarn eslint
  - docker run --rm "${DOCKER_LOCAL}" yarn test

deploy:
  - provider: script
    script: sh ./.travis/docker_login_tag_push "${DOCKER_LOCAL}" "${DOCKER_MASTER}"
    on:
      branch: master
  - provider: script
    script: sh ./.travis/docker_login_tag_semver_push "${DOCKER_LOCAL}" "${LOWERCASE_REPO_SLUG}" "${TRAVIS_TAG}"
    on:
      tags: true
      all_branches: true