GitLab CI .gitlab-ci.yml example

.gitlab-ci.yml

stages:
  - build
  - test
  - deploy

variables:
  # from https://storage.googleapis.com/kubernetes-release/release/stable.txt
  K8S_STABLE_VERSION_URL: https://storage.googleapis.com/kubernetes-release/release/v1.10.4/bin/linux/amd64/kubectl

build:
  stage: build
  image: docker:latest
  services:
    - docker:dind
  script:
    - export DOCKER_VERSION=$(echo "$CI_BUILD_REF" | cut -c 1-6)
    - cd src/ProjectName && docker build -t registry.gitlab.com/username/project-name/webapp:$DOCKER_VERSION .
    - cd ../../ && docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN registry.gitlab.com
    - docker push registry.gitlab.com/username/project-name/webapp:$DOCKER_VERSION

test:
  stage: test
  script: # TODO: write a test script
    - exit 0
  dependencies:
    - build

deploy_dev:
  stage: deploy
  environment:
    name: Dev
  image: alpine
  script:
    - apk add --no-cache curl
    - curl -LO $K8S_STABLE_VERSION_URL
    - chmod +x ./kubectl
    - mv ./kubectl /usr/local/bin/kubectl
    - mkdir ~/.kube
    - cp $KUBECONFIG ~/.kube/config
    - cat ~/.kube/config
    - kubectl cluster-info
    # If no error, connection to the cluster from the pipeline script is OK
    # TODO: write a deploy script
  dependencies:
    - test