stages:
  - build
  - deploy

variables:
  DOCKER_TLS_CERTDIR: /certs

.build-template: &build-template
  image:
    name: gcr.io/kaniko-project/executor:v1.23.2-debug
    entrypoint: [""]
  stage: build
  variables:
    DOCKER_CONFIG: /kaniko/.docker
    REGISTRY_USER: $CI_REGISTRY_USER
    REGISTRY_PASSWORD: $CI_REGISTRY_PASSWORD
    REGISTRY_URL: $CI_REGISTRY
  script:
    - mkdir -p /kaniko/.docker
    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$REGISTRY_USER\",\"password\":\"$REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
    - /kaniko/executor
      --context "${CONTEXT}"
      --dockerfile "${DOCKERFILE_PATH}"
      --destination "${IMAGE_NAME}:${CI_COMMIT_SHA}"
      --destination "${IMAGE_NAME}:latest"
      --cache=true

build_frontend:
  <<: *build-template
  variables:
    CONTEXT: "${CI_PROJECT_DIR}/services/frontend"
    DOCKERFILE_PATH: "Dockerfile"
    IMAGE_NAME: "$CI_REGISTRY_IMAGE/frontend"

build_backend:
  <<: *build-template
  variables:
    CONTEXT: "${CI_PROJECT_DIR}/services/backend"
    DOCKERFILE_PATH: "Dockerfile"
    IMAGE_NAME: "$CI_REGISTRY_IMAGE/backend"

build_backend-staticfiles:
  <<: *build-template
  variables:
    CONTEXT: "${CI_PROJECT_DIR}/services/backend"
    DOCKERFILE_PATH: "Dockerfile.staticfiles"
    IMAGE_NAME: "$CI_REGISTRY_IMAGE/backend-staticfiles"

deploy:
  image: kroniak/ssh-client:3.19
  stage: deploy
  rules:
    - if: '$CI_COMMIT_REF_NAME == "master"'
  variables:
    SSH_HOST: "158.160.172.23"
    SSH_USER: "ubuntu"
    SSH_ADDRESS: "$SSH_USER@$SSH_HOST"
    SSH_PRIVATE_KEY: SSH_PRIVATE_KEY
  script:
    - mkdir -p ~/.ssh
    - chmod 700 ~/.ssh
    - echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config
    - echo "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
    - chmod 600 ~/.ssh/id_rsa
    - ssh-keyscan -H "$SSH_HOST"
    - AUTH_COMMAND="echo "$CI_REGISTRY_PASSWORD" | docker login $CI_REGISTRY --username $CI_REGISTRY_USER --password-stdin";
    - ssh $SSH_ADDRESS "$AUTH_COMMAND"
    - scp -C -r infrastructure/ ssl/ compose.yaml $SSH_ADDRESS:~/deploy/
    - ssh $SSH_ADDRESS "cd ~/deploy && \
      /usr/bin/docker compose pull > deploy.log 2>&1 && \
      /usr/bin/docker compose down >> deploy.log 2>&1 && \
      /usr/bin/docker compose up -d --remove-orphans >> deploy.log 2>&1 && \
      /usr/bin/docker compose ps >> deploy.log 2>&1"
    - ssh $SSH_ADDRESS "docker system prune -a"