.gitlab-ci.yaml

stages: 
  - build
  - tests
  - publish
  - deploy

backend-build-job:
  stage: build
  tags: 
    - deployment
  image: maven:3.8.3-openjdk-17
  script:
    - echo "running backend BUILD job"
    - cd backend/
    - mvn clean install -DskipTests
    - echo "✨ Backend job finished successfully ✅"
  artifacts:
    paths:
    - backend/target/*.jar


frontend-build-job:
  stage: build
  tags: 
  - deployment
  image: node:18.18
  script:
      - echo "running frontend BUILD job"
      - cd ui/
      - yarn install
      - yarn build
      - echo "✨ Frontend job finished successfully ✅"
  artifacts:
    paths:
    - ui/build/*

backend-test-job: 
  stage: tests
  image: maven:3.8.3-openjdk-17
  tags: 
  - deployment
  script:
    - echo "running backend TEST job"
    - cd backend/
    - mvn verify
    - echo "✨ Backend test job finished successfully ✅"

# frontend-test-job:
#   stage: tests
#   image: node:18.18
#   script:
#     - echo "running frontend TEST job"
#     - cd ui/
#     - yarn install
#     - yarn run test
#     - echo "✨ Frontend test job finished successfully ✅"

publish:
  image: docker:latest
  stage: publish
  tags: 
    - deployment
  variables:
    DOCKER_TLS_CERTDIR: ""
    DOCKER_HOST: "tcp://docker:2375"
  services:
    - docker:dind
  script:
    - docker --version
    - echo $SERVER_IP
    - docker login -u $DOCKER_HUB_USER -p $DOCKER_HUB_PWD docker.io

    - cd backend/ # backend publish
    - docker build -t docker.io/csci5308vm14/strangely:backend_$CI_COMMIT_SHORT_SHA .
    - docker push docker.io/csci5308vm14/strangely:backend_$CI_COMMIT_SHORT_SHA
  
    - cd ../ui/  # frontend publish
    - docker build -t docker.io/csci5308vm14/strangely:ui_$CI_COMMIT_SHORT_SHA .
    - docker push docker.io/csci5308vm14/strangely:ui_$CI_COMMIT_SHORT_SHA

  only:
    - main

deploy:
  image: alpine:latest
  stage: deploy
  tags:
    - deployment
  script:
    - chmod og= $ID_RSA
    - apk update && apk add openssh-client

    # login
    - ssh -i $ID_RSA -o StrictHostKeyChecking=no $SERVER_USER@$SERVER_IP "docker login -u $DOCKER_HUB_USER -p $DOCKER_HUB_PWD docker.io"

    # code pull
    - ssh -i $ID_RSA -o StrictHostKeyChecking=no $SERVER_USER@$SERVER_IP "docker pull docker.io/csci5308vm14/strangely:backend_$CI_COMMIT_SHORT_SHA"
    - ssh -i $ID_RSA -o StrictHostKeyChecking=no $SERVER_USER@$SERVER_IP "docker pull docker.io/csci5308vm14/strangely:ui_$CI_COMMIT_SHORT_SHA"
    
    # remove earlier code
    - ssh -i $ID_RSA -o StrictHostKeyChecking=no $SERVER_USER@$SERVER_IP "docker container rm -f my-app-backend || true"
    - ssh -i $ID_RSA -o StrictHostKeyChecking=no $SERVER_USER@$SERVER_IP "docker container rm -f my-app-ui || true"
    
    # run container with specific ports
    - ssh -i $ID_RSA -o StrictHostKeyChecking=no $SERVER_USER@$SERVER_IP "docker run -d -p 8073:8080 --name my-app-backend docker.io/csci5308vm14/strangely:backend_$CI_COMMIT_SHORT_SHA"
    - ssh -i $ID_RSA -o StrictHostKeyChecking=no $SERVER_USER@$SERVER_IP "docker run -d -p 8074:5173 --name my-app-ui docker.io/csci5308vm14/strangely:ui_$CI_COMMIT_SHORT_SHA"
    
  environment:
    name: production
    url: http://172.17.1.123:8074 # mapping to frontend env
  only:
    - main