Gitlab config for docker based CICD pipeline (node.js)

.gitlab-ci.yml

image: customregistry/docker-builder:latest

variables:
  dockerTag: '$CI_BUILD_REF'
  DOCKER_REPO: customregistry
  IMAGE_BASE_NAME: redis-faas
  IMAGE: $EVISTA_DOCKER_REPO/$IMAGE_BASE_NAME:$CI_BUILD_REF
  CONTAINER_NAME: 'fotok-redis-pipeline'
  TARGET_DIR_STAGE: /srv/docker/staging/redis-faas
  TARGET_DIR_PROD: /srv/docker/prod/redis-faas


before_script:
- echo $dockerTag
- echo $DOCKER_CERT > cert.ca
- eval $(ssh-agent -s)
- ssh-add <(echo "$ID_RSA")
- mkdir -p ~/.ssh
- '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'

build:
  type: build
  tags:
  - docker-in-docker-pure-builder
  script:
  # build test images
  - docker build -t $IMAGE .
  only:
  - master
  - production

test:
  type: test
  variables:
    ERROR_PATH: /tmp/example_pipeline_testresults
  tags:
  - docker-in-docker-builder  
  script:
  # created directory for errored pages
  - mkdir -p ${ERROR_PATH} || true
   # start the previously built container
  - docker run -d --add-host 'localhost localhost.localdomain localtest:127.0.0.1' -v ${ERROR_PATH}:/app/tests/_output --name ${CONTAINER_NAME} ${IMAGE}
  # actually run tests
  - docker exec ${CONTAINER_NAME} /app/runtests.sh
  only:
  - master
  - production


deploy_stage:
  type: deploy
  variables:
    RELEASE_IMAGE: $DOCKER_REPO/$IMAGE_BASE_NAME:latest
    DOCKER_COMPOSE_CMD: cd $TARGET_DIR_STAGE && docker-compose 
  tags:
    - docker-in-docker-builder
  script:
  # tag the final image (the previous test image is built upon the test image file)
  - docker tag $IMAGE $IMAGE
  - docker --tlscacert cert.ca push $IMAGE
  # tag the full image as lastest and push it
  - docker tag $IMAGE $RELEASE_IMAGE
  - docker --tlscacert cert.ca push $RELEASE_IMAGE
  # deploy the images
  - ssh [email protected] -p2224 "docker pull $RELEASE_IMAGE"
  - ssh [email protected] -p2224 "${DOCKER_COMPOSE_CMD} stop"
  - ssh [email protected] -p2224 "${DOCKER_COMPOSE_CMD} up -d"
  only:
  - master

deploy_production:
  type: deploy
  variables:
    RELEASE_IMAGE: $DOCKER_REPO/$IMAGE_BASE_NAME:stable
    DOCKER_COMPOSE_CMD: cd $TARGET_DIR_PROD && docker-compose 
  tags:
    - docker-in-docker-builder
  script:
  # tag the final image (the previous test image is built upon the test image file)
  - docker tag $IMAGE $IMAGE
  - docker --tlscacert cert.ca push $IMAGE
  # tag the full image as lastest and push it
  - docker tag $IMAGE $RELEASE_IMAGE
  - docker --tlscacert cert.ca push $RELEASE_IMAGE
  # deploy the images
  - ssh [email protected] -p2224 "docker pull $RELEASE_IMAGE"
  - ssh [email protected] -p2224 "${DOCKER_COMPOSE_CMD} stop"
  - ssh [email protected] -p2224 "${DOCKER_COMPOSE_CMD} up -d"
  only:
  - production