workflow:
  rules:
    - if: $CI_COMMIT_BRANCH != "main" && $CI_PIPELINE_SOURCE != "merge_request_event"      
      when: never
    - when: always

variables:
  DEPLOYMENT_SERVER_HOST: "server"
  APP_ENDPOINT: http://server:3000
  MICRO_SERVICE: frontend
  SERVICE_VERSION: "1.3"
  APP_PORT: 3000

stages:
  - build
  - deploy

build:
  stage: build
  tags:
    - group
    - shell
  before_script:
    - export IMAGE_NAME=$CI_REGISTRY_IMAGE/microservice/$MICRO_SERVICE
    - export IMAGE_TAG=$SERVICE_VERSION
  script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker build -t $IMAGE_NAME:$IMAGE_TAG .
    - docker push $IMAGE_NAME:$IMAGE_TAG


deploy:
  stage: deploy
  tags:
    - group
    - shell
  before_script:
    - chmod 400 $SSH_PRIVATE_KEY
    - export IMAGE_NAME=$CI_REGISTRY_IMAGE/microservice/$MICRO_SERVICE
    - export IMAGE_TAG=$SERVICE_VERSION
  script:
    - scp -o StrictHostKeyChecking=no -i $SSH_PRIVATE_KEY ./docker-compose.yaml ubuntu@$DEPLOYMENT_SERVER_HOST:~
    - ssh -o StrictHostKeyChecking=no -i $SSH_PRIVATE_KEY ubuntu@$DEPLOYMENT_SERVER_HOST "
      docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY &&

      export COMPOSE_PROJECT_NAME=$MICRO_SERVICE &&
      export DC_IMAGE_NAME=$IMAGE_NAME &&
      export DC_IMAGE_TAG=$IMAGE_TAG &&
      export DC_APP_PORT=$APP_PORT &&

      docker network create micro_service || true &&

      docker-compose down &&
      docker-compose up -d"
  environment:
    name: development
    url: $APP_ENDPOINT