Deploy WordPress Plugin with GitLab CI/CD

.gitlab-ci.yml

# Our base image
image: registry.gitlab.com/wpquark/docker-containers/php-node:2.0.0-php-7.3-node-12.13.0

# Select what we should cache
cache:
  key: "$CI_COMMIT_REF_SLUG-$CI_JOB_NAME"
  paths:
  - .yarn-cache
  - .composer-cache

# Our stages
stages:
  - test
  - build
  - deploy

variables:
  YARN_CACHE_FOLDER: "$CI_PROJECT_DIR/.yarn-cache"
  COMPOSER_CACHE_DIR: "$CI_PROJECT_DIR/.composer-cache"
  MYSQL_DATABASE: "wp_wpeform_test"
  MYSQL_ROOT_PASSWORD: "12345678"

test:javascript:
  stage: test
  tags:
    - wordpress
  image: registry.gitlab.com/wpquark/docker-containers/php-node:2.0.0-php-7.3-node-12.13.0
  before_script:
    - yarn install --frozen-lockfile
  script:
    - yarn lint
    - yarn test
    - php scripts/coverage-shouter.php -sjs
    - bash <(curl -s https://codecov.io/bash) -F client

# We test on php7.1, php7.2 and php7.3, stripped down here
# We generate code-cverage here only
test:php73:
  stage: test
  tags:
    - wordpress
  image: registry.gitlab.com/wpquark/docker-containers/php-node:2.0.0-php-7.3-node-12.13.0
  services:
    - mariadb:10.3
  before_script:
    - yarn install --frozen-lockfile
    - composer install
    - vendor/bin/pcov clobber
  script:
    - yarn phpcs
    - yarn phpunit:install "$MYSQL_DATABASE" root "$MYSQL_ROOT_PASSWORD" mariadb latest true
    # - yarn phpunit
    - yarn phpunit:ci
    - php scripts/coverage-shouter.php -sphp
    - bash <(curl -s https://codecov.io/bash) -F server
  artifacts:
    paths:
      - coverage/phpunit
    expire_in: 2 days

# Build WordPress plugin file
build:
  stage: build
  tags:
    - wordpress
  image: registry.gitlab.com/wpquark/docker-containers/php-node:1.1.0-php-7.3-node-10.15.3
  before_script:
    - yarn install --frozen-lockfile
    # install production dependency and optimize autoload
    # https://getcomposer.org/doc/articles/autoloader-optimization.md
    - composer install --no-dev --optimize-autoloader
  script:
    - yarn build
    - yarn archive
  artifacts:
    paths:
      - package/wp-eform.zip
    expire_in: 1 week
  only:
    - master@wpquark/wp-eform.io/wp-eform

# And we do continuous deployment
deploy-staging:
  stage: deploy
  image: registry.gitlab.com/wpquark/docker-containers/php-node:1.1.0-php-7.3-node-10.15.3
  tags:
    - wordpress
  before_script:
    - eval $(ssh-agent -s)
    - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
  script:
    # Make sure we add the Staging Key so that we can SSH
    - ssh-add <(cat "$STAGING_KEY")
    # Delete and recreate the temporary directory for copying
    - ssh -p<PORT> usernamestaging@hostname.com "rm -rf ~/tmp_wpeform && mkdir -p ~/tmp_wpeform"
    # Copy the distribution ZIP
    - scp -P<PORT> package/wp-eform.zip usernamestaging@hostname.com:~/tmp_wpeform
    # SSH and Delete the current plugin and unzip the new build
    - ssh -p<PORT> usernamestaging@hostname.com "rm -rf ~/public_html/wp-content/plugins/wp-eform && unzip ~/tmp_wpeform/wp-eform.zip -d ~/public_html/wp-content/plugins"
  environment:
    name: staging
    url: https://staging.wpeform.io/wp-admin/admin.php?page=wpeform#/dashboard
  dependencies:
    - build
  only:
    - master@wpquark/wp-eform.io/wp-eform
    
# Deploy to production but manually
deploy-production:
  stage: deploy
  image: registry.gitlab.com/wpquark/docker-containers/php-node:1.1.0-php-7.3-node-10.15.3
  tags:
    - wordpress
  before_script:
    - eval $(ssh-agent -s)
    - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
  script:
    # Make sure we add the Staging Key so that we can SSH
    - ssh-add <(cat "$PRODUCTION_KEY")
    # Delete and recreate the temporary directory for copying
    - ssh -p<PORT> usernameprod@hostname.com "rm -rf ~/tmp_wpeform && mkdir -p ~/tmp_wpeform"
    # Copy the distribution ZIP
    - scp -P<PORT> package/wp-eform.zip usernameprod@hostname.com:~/tmp_wpeform
    # SSH and Delete the current plugin and unzip the new build
    - ssh -p<PORT> usernameprod@hostname.com "rm -rf ~/public_html/wp-content/plugins/wp-eform && unzip ~/tmp_wpeform/wp-eform.zip -d ~/public_html/wp-content/plugins"
  environment:
    name: production
    url: https://wpeform.io/wp-admin/admin.php?page=wpeform#/dashboard
  dependencies:
    - build
  when: manual
  only:
    - master@wpquark/wp-eform.io/wp-eform

    
# Just like above we can deploy to any server.

gistfile1.txt

In GitLab Repository, go to Settings > CI/CD and add the following variable

- `STAGING_KEY`: Private key to ssh into your server. Configure your server with the public key to accept it.
- `PRODUCTION_KEY`: Same as before, but for your production server.