htwkalender/.gitlab-ci.yml

stages:
  - lint
  - build
  - test
  - oci-build
  - deploy

lint-frontend:
  image: node:lts
  stage: lint
  rules:
    - changes:
        - frontend/**/*
  script:
    - cd frontend
    - npm i
    - npm run lint-no-fix

lint-backend:
  stage: lint
  image: golangci/golangci-lint:latest
  rules:
    - changes:
        - backend/**/*
  script:
    - cd backend
    - go mod download
    - golangci-lint --version
    - golangci-lint run -v --skip-dirs=migrations --timeout=5m


build-backend:
  image: golang:alpine
  stage: build
  rules:
    - changes:
      - backend/**/*
  script:
    - cd backend
    - go build -o htwkalender
  artifacts:
    paths:
      - backend/htwkalender
      - backend/go.sum
      - backend/go.mod

build-frontend:
    image: node:lts
    stage: build
    rules:
        - changes:
            - frontend/**/*
    script:
        - cd frontend
        - npm i
        - npm run build
    artifacts:
        paths:
        - frontend/build

test-backend:
  image: golang:alpine
  stage: test
  rules:
    - changes:
      - backend/**/*
  script:
    - cd backend
    - go test -v ./...
  dependencies:
    - build-backend

test-frontend:
  image: node:lts
  stage: test
  rules:
    - changes:
        - frontend/**/*
  script:
    - cd frontend
    - npm i
    - npm run test
  dependencies:
    - lint-frontend

build-backend-image:
  stage: oci-build
  image: docker:latest
  services:
    - docker:dind
  tags:
    - image
  variables:
    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
    DOCKER_HOST: tcp://docker:2376
    DOCKER_TLS_CERTDIR: "/certs"
    DOCKER_TLS_VERIFY: 1
    DOCKER_CERT_PATH: "/certs/client"
  before_script:
    - docker login -u $CI_DOCKER_REGISTRY_USER -p $CI_DOCKER_REGISTRY_PASSWORD $CI_DOCKER_REGISTRY
  script:
    - docker build --pull -t $CI_DOCKER_REGISTRY_REPO:backend -f ./backend/Dockerfile --target prod ./backend
    - docker push $CI_DOCKER_REGISTRY_REPO:backend
  rules:
    - if: $CI_COMMIT_BRANCH == "main"
      changes:
        - backend/**/*

build-frontend-image:
  stage: oci-build
  image: docker:latest
  services:
    - docker:dind
  tags:
    - image
  variables:
    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
    DOCKER_HOST: tcp://docker:2376
    DOCKER_TLS_CERTDIR: "/certs"
    DOCKER_TLS_VERIFY: 1
    DOCKER_CERT_PATH: "/certs/client"
  before_script:
    - docker login -u $CI_DOCKER_REGISTRY_USER -p $CI_DOCKER_REGISTRY_PASSWORD $CI_DOCKER_REGISTRY
  script:
    - docker build --pull -t $CI_DOCKER_REGISTRY_REPO:frontend -f ./frontend/Dockerfile --target prod .
    - docker push $CI_DOCKER_REGISTRY_REPO:frontend
  rules:
    - if: $CI_COMMIT_BRANCH == "main"
      changes:
        - frontend/**/*

deploy-all:
  stage: deploy
  image: alpine:latest
  before_script:
    - apk add --no-cache openssh-client sed # install dependencies
    - eval $(ssh-agent -s) # set some ssh variables
    - ssh-add <(echo "$CI_SSH_KEY" | tr -d '\r')
  script:
    # replace some placeholders
    - sed -i -e "s|DOCKER_REGISTRY_REPO|$CI_DOCKER_REGISTRY_REPO|" docker-compose.prod.yml
    # upload necessary files to the server
    - >
      scp -P $CI_SSH_PORT -o StrictHostKeyChecking=no -o LogLevel=ERROR ./docker-compose.prod.yml ./reverseproxy.conf
      $CI_SSH_USER@$CI_SSH_HOST:/home/$CI_SSH_USER/docker/htwkalender/
    # ssh to the server and start the service
    - >
      ssh -p $CI_SSH_PORT -o StrictHostKeyChecking=no -o LogLevel=ERROR $CI_SSH_USER@$CI_SSH_HOST
      "cd /home/$CI_SSH_USER/docker/htwkalender/ &&
      docker login -u $CI_DOCKER_REGISTRY_USER -p $CI_DOCKER_REGISTRY_PASSWORD $CI_DOCKER_REGISTRY &&
      docker compose -f ./docker-compose.prod.yml down && docker compose -f ./docker-compose.prod.yml up -d --remove-orphans && docker logout"
  rules:
    - if: $CI_COMMIT_BRANCH == "main"