GitLab CI yml for containerized Docker testing

.gitlab-ci.yml

stages:
  - test
  - spawn
  - phpunit
  - deploy
  - cleanup

build_image:
  cache:
    untracked: true
  script:
    - whoami && docker info && docker-compose -v
    - if [[ -n "$GITHUB_API_KEY" ]]; then composer config -g github-oauth.github.com "$GITHUB_API_KEY"; fi
    - composer install --ignore-platform-reqs
    - docker-compose -f docker-compose.ci.yml build

spawn_containers:
  stage: spawn
  script:
    - docker-compose -f docker-compose.ci.yml up -d

unit_test:
  stage: phpunit
  script:
    - docker exec -t $(docker-compose -f docker-compose.ci.yml ps -q web)
      su -c '~www-data/html/tests/scripts/unit-testing.sh' -s /bin/bash www-data

deploy:
  stage: deploy
  only:
    - master
  script:
    - docker build -t "$DEPLOY_SERVER"/"$DEPLOY_REPO" .
    - docker login --username="${DEPLOY_USER}" --password="${DEPLOY_PASS}" --email=ci@bradjonesllc.com "$DEPLOY_SERVER"
    - docker push "$DEPLOY_SERVER"/"$DEPLOY_REPO"
    - docker rmi "$DEPLOY_SERVER"/"$DEPLOY_REPO"

cleanup:
  stage: cleanup
  when: always
  script:
    - docker-compose -f docker-compose.ci.yml down
    - composer config -g --unset github-oauth.github.com