diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cc71ae9245a..d49b620f22c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -44,3 +44,4 @@ include:
   - local: .gitlab/ci/review.gitlab-ci.yml
   - local: .gitlab/ci/setup.gitlab-ci.yml
   - local: .gitlab/ci/test-metadata.gitlab-ci.yml
+  - local: .gitlab/ci/yaml.gitlab-ci.yml
diff --git a/.gitlab/ci/frontend.gitlab-ci.yml b/.gitlab/ci/frontend.gitlab-ci.yml
index d62b24ae97d..8656ffdbb7f 100644
--- a/.gitlab/ci/frontend.gitlab-ci.yml
+++ b/.gitlab/ci/frontend.gitlab-ci.yml
@@ -38,11 +38,11 @@ gitlab:assets:compile:
     - bundle exec rake gitlab:assets:compile
     - time scripts/build_assets_image
     - scripts/clean-old-cached-assets
-    - rm -f /etc/apt/sources.list.d/google*.list # We don't need to update Chrome here
+    - rm -f /etc/apt/sources.list.d/google*.list  # We don't need to update Chrome here
     # Play dependent manual jobs
     - install_api_client_dependencies_with_apt
-    - play_job "review-build-cng" || true # this job might not exist so ignore the failure if it cannot be played
-    - play_job "schedule:review-build-cng" || true # this job might not exist so ignore the failure if it cannot be played
+    - play_job "review-build-cng" || true  # this job might not exist so ignore the failure if it cannot be played
+    - play_job "schedule:review-build-cng" || true  # this job might not exist so ignore the failure if it cannot be played
   artifacts:
     name: webpack-report
     expire_in: 31d
@@ -141,8 +141,8 @@ jest:
   extends: .dedicated-no-docs-and-no-qa-pull-cache-job
   <<: *use-pg
   dependencies:
-  - compile-assets
-  - setup-test-env
+    - compile-assets
+    - setup-test-env
   script:
     - scripts/gitaly-test-spawn
     - date
@@ -154,8 +154,8 @@ jest:
     expire_in: 31d
     when: always
     paths:
-    - coverage-frontend/
-    - junit_jest.xml
+      - coverage-frontend/
+      - junit_jest.xml
     reports:
       junit: junit_jest.xml
   cache:
@@ -220,7 +220,7 @@ lint:javascript:report:
   before_script: []
   script:
     - date
-    - yarn run eslint-report || true # ignore exit code
+    - yarn run eslint-report || true  # ignore exit code
   artifacts:
     name: eslint-report
     expire_in: 31d
@@ -235,7 +235,7 @@ jsdoc:
   before_script: []
   script:
     - date
-    - yarn run jsdoc || true # ignore exit code
+    - yarn run jsdoc || true  # ignore exit code
   artifacts:
     name: jsdoc
     expire_in: 31d
diff --git a/.gitlab/ci/global.gitlab-ci.yml b/.gitlab/ci/global.gitlab-ci.yml
index cf87f5eb39c..aa25bad00e8 100644
--- a/.gitlab/ci/global.gitlab-ci.yml
+++ b/.gitlab/ci/global.gitlab-ci.yml
@@ -1,6 +1,6 @@
 .dedicated-runner:
   retry:
-    max: 2 # This is confusing but this means "3 runs at max".
+    max: 2  # This is confusing but this means "3 runs at max".
     when:
       - unknown_failure
       - api_failure
diff --git a/.gitlab/ci/pages.gitlab-ci.yml b/.gitlab/ci/pages.gitlab-ci.yml
index 7d9136b8213..f7b18b809b4 100644
--- a/.gitlab/ci/pages.gitlab-ci.yml
+++ b/.gitlab/ci/pages.gitlab-ci.yml
@@ -1,4 +1,3 @@
-
 pages:
   extends: .dedicated-no-docs-no-db-pull-cache-job
   before_script: []
diff --git a/.gitlab/ci/qa.gitlab-ci.yml b/.gitlab/ci/qa.gitlab-ci.yml
index 6b23af952e6..ee9e467886a 100644
--- a/.gitlab/ci/qa.gitlab-ci.yml
+++ b/.gitlab/ci/qa.gitlab-ci.yml
@@ -1,6 +1,6 @@
 package-and-qa:
   image: ruby:2.6-alpine
-  stage: review # So even if review-deploy failed we can still run this
+  stage: review  # So even if review-deploy failed we can still run this
   when: manual
   before_script: []
   dependencies: []
diff --git a/.gitlab/ci/rails.gitlab-ci.yml b/.gitlab/ci/rails.gitlab-ci.yml
index 3f0c899d704..33e7b00784c 100644
--- a/.gitlab/ci/rails.gitlab-ci.yml
+++ b/.gitlab/ci/rails.gitlab-ci.yml
@@ -136,7 +136,7 @@ setup-test-env:
   stage: prepare
   script:
     - bundle exec ruby -Ispec -e 'require "spec_helper" ; TestEnv.init'
-    - scripts/gitaly-test-build # Do not use 'bundle exec' here
+    - scripts/gitaly-test-build  # Do not use 'bundle exec' here
   artifacts:
     expire_in: 7d
     paths:
@@ -342,8 +342,8 @@ coverage:
     name: coverage
     expire_in: 31d
     paths:
-    - coverage/index.html
-    - coverage/assets/
+      - coverage/index.html
+      - coverage/assets/
   except:
     - /(^docs[\/-].*|.*-docs$)/
     - /(^qa[\/-].*|.*-qa$)/
diff --git a/.gitlab/ci/yaml.gitlab-ci.yml b/.gitlab/ci/yaml.gitlab-ci.yml
new file mode 100644
index 00000000000..401318d2df2
--- /dev/null
+++ b/.gitlab/ci/yaml.gitlab-ci.yml
@@ -0,0 +1,9 @@
+# Yamllint of *.yml for .gitlab-ci.yml.
+# This uses rules from project root `.yamllint`.
+lint-ci-gitlab:
+  extends: .dedicated-runner
+  before_script: []
+  dependencies: []
+  image: sdesbure/yamllint:latest
+  script:
+    - yamllint .gitlab-ci.yml .gitlab/ci lib/gitlab/ci/templates
diff --git a/.gitlab/route-map.yml b/.gitlab/route-map.yml
index 0b37dc68f8b..cc0c2856d49 100644
--- a/.gitlab/route-map.yml
+++ b/.gitlab/route-map.yml
@@ -1,3 +1,3 @@
 # Documentation
-- source: /doc/(.+?)\.md/ # doc/administration/build_artifacts.md
-  public: '\1.html' # doc/administration/build_artifacts.html
+- source: /doc/(.+?)\.md/  # doc/administration/build_artifacts.md
+  public: '\1.html'  # doc/administration/build_artifacts.html
diff --git a/.yamllint b/.yamllint
new file mode 100644
index 00000000000..df7cdf404bc
--- /dev/null
+++ b/.yamllint
@@ -0,0 +1,7 @@
+---
+
+extends: default
+
+rules:
+  line-length: disable
+  document-start: disable
diff --git a/changelogs/unreleased/60819_yamllint_gitlabci.yml b/changelogs/unreleased/60819_yamllint_gitlabci.yml
new file mode 100644
index 00000000000..aba3b206f7e
--- /dev/null
+++ b/changelogs/unreleased/60819_yamllint_gitlabci.yml
@@ -0,0 +1,5 @@
+---
+title: Fix yaml linting for GitLab CI inside project (.gitlab/ci) *.yml files and CI template files
+merge_request: 27576
+author: Will Hall
+type: fixed
diff --git a/lib/gitlab/ci/templates/.yamllint b/lib/gitlab/ci/templates/.yamllint
new file mode 100644
index 00000000000..669c8646ff2
--- /dev/null
+++ b/lib/gitlab/ci/templates/.yamllint
@@ -0,0 +1,5 @@
+extends: default
+
+rules:
+  line-length: disable
+  document-start: disable
diff --git a/lib/gitlab/ci/templates/Android-Fastlane.gitlab-ci.yml b/lib/gitlab/ci/templates/Android-Fastlane.gitlab-ci.yml
index 120272200c6..2ca6e73a803 100644
--- a/lib/gitlab/ci/templates/Android-Fastlane.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Android-Fastlane.gitlab-ci.yml
@@ -54,7 +54,7 @@ ensureContainer:
     - rm -f android-signing-keystore.jks || true
   artifacts:
     paths:
-    - app/build/outputs
+      - app/build/outputs
 
 buildDebug:
   extends: .build_job
@@ -116,6 +116,6 @@ promoteProduction:
   # We only allow production promotion on `master` because
   # it has its own production scoped secret variables
   only:
-   - master
+    - master
   script:
     - bundle exec fastlane promote_beta_to_production
diff --git a/lib/gitlab/ci/templates/Android.gitlab-ci.yml b/lib/gitlab/ci/templates/Android.gitlab-ci.yml
index 2be7f933462..b7194110002 100644
--- a/lib/gitlab/ci/templates/Android.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Android.gitlab-ci.yml
@@ -6,7 +6,7 @@ image: openjdk:8-jdk
 variables:
   ANDROID_COMPILE_SDK: "28"
   ANDROID_BUILD_TOOLS: "28.0.2"
-  ANDROID_SDK_TOOLS:   "4333796"
+  ANDROID_SDK_TOOLS: "4333796"
 
 before_script:
   - apt-get --quiet update --yes
@@ -35,7 +35,7 @@ assembleDebug:
     - ./gradlew assembleDebug
   artifacts:
     paths:
-    - app/build/outputs/
+      - app/build/outputs/
 
 debugTests:
   stage: test
diff --git a/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml b/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml
index 32ab216dd55..65a6630365d 100644
--- a/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml
@@ -60,7 +60,7 @@ variables:
 stages:
   - build
   - test
-  - deploy # dummy stage to follow the template guidelines
+  - deploy  # dummy stage to follow the template guidelines
   - review
   - dast
   - staging
diff --git a/lib/gitlab/ci/templates/C++.gitlab-ci.yml b/lib/gitlab/ci/templates/C++.gitlab-ci.yml
index 9a8fa9d7091..33a2a534508 100644
--- a/lib/gitlab/ci/templates/C++.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/C++.gitlab-ci.yml
@@ -14,10 +14,10 @@ build:
   artifacts:
     paths:
       - mybinary
-  # depending on your build setup it's most likely a good idea to cache outputs to reduce the build time
-  # cache:
-  #   paths:
-  #     - "*.o"
+      # depending on your build setup it's most likely a good idea to cache outputs to reduce the build time
+      # cache:
+      #   paths:
+      #     - "*.o"
 
 # run tests using the binary built before
 test:
diff --git a/lib/gitlab/ci/templates/Chef.gitlab-ci.yml b/lib/gitlab/ci/templates/Chef.gitlab-ci.yml
index 1e14aa8bea9..5f17c93b853 100644
--- a/lib/gitlab/ci/templates/Chef.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Chef.gitlab-ci.yml
@@ -23,31 +23,31 @@ stages:
 foodcritic:
   stage: lint
   script:
-  - chef exec foodcritic .
+    - chef exec foodcritic .
 
 cookstyle:
   stage: lint
   script:
-  - chef exec cookstyle .
+    - chef exec cookstyle .
 
 chefspec:
   stage: test
   script:
-  - chef exec rspec spec
+    - chef exec rspec spec
 
 # Set up your test matrix here. Example:
-#verify-centos-6:
-#  stage: functional
-#  before_script:
-#  - apt-get update
-#  - apt-get -y install rsync
-#  script:
-#  - kitchen verify default-centos-6 --destroy=always
+# verify-centos-6:
+#   stage: functional
+#   before_script:
+#     - apt-get update
+#     - apt-get -y install rsync
+#   script:
+#     - kitchen verify default-centos-6 --destroy=always
 #
-#verify-centos-7:
-#  stage: functional
-#  before_script:
-#  - apt-get update
-#  - apt-get -y install rsync
-#  script:
-#  - kitchen verify default-centos-7 --destroy=always
+# verify-centos-7:
+#   stage: functional
+#   before_script:
+#     - apt-get update
+#     - apt-get -y install rsync
+#   script:
+#     - kitchen verify default-centos-7 --destroy=always
diff --git a/lib/gitlab/ci/templates/Clojure.gitlab-ci.yml b/lib/gitlab/ci/templates/Clojure.gitlab-ci.yml
index 0610cb9ccc0..c3568c0d2c8 100644
--- a/lib/gitlab/ci/templates/Clojure.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Clojure.gitlab-ci.yml
@@ -8,7 +8,7 @@ before_script:
   # If you need to install any external applications, like a
   # postgres client, you may want to uncomment the line below:
   #
-  #- apt-get update -y
+  # - apt-get update -y
   #
   # Retrieve project dependencies
   # Do this on before_script since it'll be shared between both test and
@@ -17,6 +17,6 @@ before_script:
 
 test:
   script:
-  # If you need to run any migrations or configure the database, this
-  # would be the point to do it.
-  - lein test
+    # If you need to run any migrations or configure the database, this
+    # would be the point to do it.
+    - lein test
diff --git a/lib/gitlab/ci/templates/Crystal.gitlab-ci.yml b/lib/gitlab/ci/templates/Crystal.gitlab-ci.yml
index 36386a19fdc..e9301a2638d 100644
--- a/lib/gitlab/ci/templates/Crystal.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Crystal.gitlab-ci.yml
@@ -22,15 +22,15 @@ cache:
 # services such as redis or postgres
 before_script:
   - apt-get update -qq && apt-get install -y -qq libxml2-dev
-  - crystal -v # Print out Crystal version for debugging
+  - crystal -v  # Print out Crystal version for debugging
   - shards
 
 # If you are using built-in Crystal Spec.
 spec:
   script:
-  - crystal spec
+    - crystal spec
 
 # If you are using minitest.cr
 minitest:
   script:
-  - crystal test/spec_test.cr # change to the file(s) you execute for tests
+    - crystal test/spec_test.cr  # change to the file(s) you execute for tests
diff --git a/lib/gitlab/ci/templates/Django.gitlab-ci.yml b/lib/gitlab/ci/templates/Django.gitlab-ci.yml
index 1d8be6f017e..d35fcb0f807 100644
--- a/lib/gitlab/ci/templates/Django.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Django.gitlab-ci.yml
@@ -16,19 +16,19 @@ variables:
 # http://docs.gitlab.com/ce/ci/yaml/README.html#cache
 cache:
   paths:
-  - ~/.cache/pip/
+    - ~/.cache/pip/
 
 # This is a basic example for a gem or script which doesn't use
 # services such as redis or postgres
 before_script:
-  - python -V # Print out python version for debugging
+  - python -V  # Print out python version for debugging
   # Uncomment next line if your Django app needs a JS runtime:
   # - apt-get update -q && apt-get install nodejs -yqq
   - pip install -r requirements.txt
 
 # To get Django tests to work you may need to create a settings file using
 # the following DATABASES:
-# 
+#
 # DATABASES = {
 #     'default': {
 #        'ENGINE': 'django.db.backends.postgresql_psycopg2',
@@ -46,4 +46,4 @@ test:
   variables:
     DATABASE_URL: "postgresql://postgres:postgres@postgres:5432/$POSTGRES_DB"
   script:
-  - python manage.py test
+    - python manage.py test
diff --git a/lib/gitlab/ci/templates/Elixir.gitlab-ci.yml b/lib/gitlab/ci/templates/Elixir.gitlab-ci.yml
index cf9c731637c..4d4c6a64cd5 100644
--- a/lib/gitlab/ci/templates/Elixir.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Elixir.gitlab-ci.yml
@@ -15,4 +15,4 @@ before_script:
 
 mix:
   script:
-  - mix test
+    - mix test
diff --git a/lib/gitlab/ci/templates/Go.gitlab-ci.yml b/lib/gitlab/ci/templates/Go.gitlab-ci.yml
index 55fda1a4799..1b686bc6cc0 100644
--- a/lib/gitlab/ci/templates/Go.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Go.gitlab-ci.yml
@@ -16,21 +16,21 @@ before_script:
   - cd $GOPATH/src/$REPO_NAME
 
 stages:
-    - test
-    - build
-    - deploy
+  - test
+  - build
+  - deploy
 
 format:
-    stage: test
-    script:
-      - go fmt $(go list ./... | grep -v /vendor/)
-      - go vet $(go list ./... | grep -v /vendor/)
-      - go test -race $(go list ./... | grep -v /vendor/)
+  stage: test
+  script:
+    - go fmt $(go list ./... | grep -v /vendor/)
+    - go vet $(go list ./... | grep -v /vendor/)
+    - go test -race $(go list ./... | grep -v /vendor/)
 
 compile:
-    stage: build
-    script:
-      - go build -race -ldflags "-extldflags '-static'" -o $CI_PROJECT_DIR/mybinary
-    artifacts:
-      paths:
-        - mybinary
+  stage: build
+  script:
+    - go build -race -ldflags "-extldflags '-static'" -o $CI_PROJECT_DIR/mybinary
+  artifacts:
+    paths:
+      - mybinary
diff --git a/lib/gitlab/ci/templates/Grails.gitlab-ci.yml b/lib/gitlab/ci/templates/Grails.gitlab-ci.yml
index dbc868238f8..efcd1d3ddc0 100644
--- a/lib/gitlab/ci/templates/Grails.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Grails.gitlab-ci.yml
@@ -16,25 +16,25 @@ variables:
 
 # We use SDKMan as tool for managing versions
 before_script:
-   - apt-get update -qq && apt-get install -y -qq unzip
-   - curl -sSL https://get.sdkman.io | bash
-   - echo sdkman_auto_answer=true > /root/.sdkman/etc/config
-   - source /root/.sdkman/bin/sdkman-init.sh
-   - sdk install gradle $GRADLE_VERSION < /dev/null
-   - sdk use gradle $GRADLE_VERSION
-# As it's not a good idea to version gradle.properties feel free to add your
-# environments variable here
-   - echo grailsVersion=$GRAILS_VERSION > gradle.properties
-   - echo gradleWrapperVersion=2.14 >> gradle.properties
-# refresh dependencies from your project
-   - ./gradlew --refresh-dependencies
-# Be aware that if you are using Angular profile,
-# Bower cannot be run as root if you don't allow it before.
-# Feel free to remove next line if you are not using Bower
-   - echo {\"allow_root\":true} > /root/.bowerrc
+  - apt-get update -qq && apt-get install -y -qq unzip
+  - curl -sSL https://get.sdkman.io | bash
+  - echo sdkman_auto_answer=true > /root/.sdkman/etc/config
+  - source /root/.sdkman/bin/sdkman-init.sh
+  - sdk install gradle $GRADLE_VERSION < /dev/null
+  - sdk use gradle $GRADLE_VERSION
+  # As it's not a good idea to version gradle.properties feel free to add your
+  # environments variable here
+  - echo grailsVersion=$GRAILS_VERSION > gradle.properties
+  - echo gradleWrapperVersion=2.14 >> gradle.properties
+  # refresh dependencies from your project
+  - ./gradlew --refresh-dependencies
+  # Be aware that if you are using Angular profile,
+  # Bower cannot be run as root if you don't allow it before.
+  # Feel free to remove next line if you are not using Bower
+  - echo {\"allow_root\":true} > /root/.bowerrc
 
 # This build job does the full grails pipeline
 # (compile, test, integrationTest, war, assemble).
 build:
- script:
-   - ./gradlew build
+  script:
+    - ./gradlew build
diff --git a/lib/gitlab/ci/templates/Jobs/Browser-Performance-Testing.gitlab-ci.yml b/lib/gitlab/ci/templates/Jobs/Browser-Performance-Testing.gitlab-ci.yml
index 546c4affb4e..a09217e8cf0 100644
--- a/lib/gitlab/ci/templates/Jobs/Browser-Performance-Testing.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Jobs/Browser-Performance-Testing.gitlab-ci.yml
@@ -26,8 +26,8 @@ performance:
     - mv sitespeed-results/data/performance.json performance.json
   artifacts:
     paths:
-    - performance.json
-    - sitespeed-results/
+      - performance.json
+      - sitespeed-results/
   only:
     refs:
       - branches
diff --git a/lib/gitlab/ci/templates/Julia.gitlab-ci.yml b/lib/gitlab/ci/templates/Julia.gitlab-ci.yml
index 2c4683fbfbb..32d4e07d398 100644
--- a/lib/gitlab/ci/templates/Julia.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Julia.gitlab-ci.yml
@@ -20,7 +20,7 @@
     # want coverage results.
     - julia -e 'using Pkg; Pkg.clone(pwd()); Pkg.build("MyPackage"); Pkg.test("MyPackage"; coverage = true)'
     # Comment out below if you do not want coverage results.
-    - julia -e 'using Pkg; Pkg.add("Coverage"); 
+    - julia -e 'using Pkg; Pkg.add("Coverage");
       import MyPackage; cd(joinpath(dirname(pathof(MyPackage)), ".."));
       using Coverage; cl, tl = get_summary(process_folder());
       println("(", cl/tl*100, "%) covered")'
@@ -55,17 +55,16 @@ pages:
   image: julia:0.7
   stage: deploy
   script:
-    - apt-get update -qq && apt-get install -y git # needed by Documenter
-    - julia -e 'using Pkg; Pkg.clone(pwd()); Pkg.build("MyPackage");' # rebuild Julia (can be put somewhere else I'm sure
-    - julia -e 'using Pkg; import MyPackage; Pkg.add("Documenter")' # install Documenter
-    - julia --color=yes docs/make.jl # make documentation
-    - mv docs/build public # move to the directory picked up by Gitlab pages
+    - apt-get update -qq && apt-get install -y git  # needed by Documenter
+    - julia -e 'using Pkg; Pkg.clone(pwd()); Pkg.build("MyPackage");'  # rebuild Julia (can be put somewhere else I'm sure
+    - julia -e 'using Pkg; import MyPackage; Pkg.add("Documenter")'  # install Documenter
+    - julia --color=yes docs/make.jl  # make documentation
+    - mv docs/build public  # move to the directory picked up by Gitlab pages
   artifacts:
     paths:
       - public
   only:
-  - master
-
+    - master
 
 # WARNING: This template is using the `julia` images from [Docker
 # Hub][3]. One can use custom Julia images and/or the official ones found
diff --git a/lib/gitlab/ci/templates/Laravel.gitlab-ci.yml b/lib/gitlab/ci/templates/Laravel.gitlab-ci.yml
index e1cd29ecc94..9bde04dff19 100644
--- a/lib/gitlab/ci/templates/Laravel.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Laravel.gitlab-ci.yml
@@ -16,8 +16,8 @@ variables:
 # http://docs.gitlab.com/ce/ci/yaml/README.html#cache
 cache:
   paths:
-  - vendor/
-  - node_modules/
+    - vendor/
+    - node_modules/
 
 # This is a basic example for a gem or script which doesn't use
 # services such as redis or postgres
@@ -37,7 +37,7 @@ before_script:
   - docker-php-ext-enable xdebug
   # Install Composer and project dependencies.
   - curl -sS https://getcomposer.org/installer | php
-  - php composer.phar install 
+  - php composer.phar install
   # Install Node dependencies.
   # comment this out if you don't have a node dependency
   - npm install
@@ -63,10 +63,10 @@ before_script:
 
 test:
   script:
-  # run laravel tests
-  - php vendor/bin/phpunit --coverage-text --colors=never 
-  # run frontend tests
-  # if you have any task for testing frontend
-  # set it in your package.json script
-  # comment this out if you don't have a frontend test
-  - npm test
+    # run laravel tests
+    - php vendor/bin/phpunit --coverage-text --colors=never
+    # run frontend tests
+    # if you have any task for testing frontend
+    # set it in your package.json script
+    # comment this out if you don't have a frontend test
+    - npm test
diff --git a/lib/gitlab/ci/templates/Nodejs.gitlab-ci.yml b/lib/gitlab/ci/templates/Nodejs.gitlab-ci.yml
index 41de1458582..b87178141a1 100644
--- a/lib/gitlab/ci/templates/Nodejs.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Nodejs.gitlab-ci.yml
@@ -14,14 +14,14 @@ services:
 # http://docs.gitlab.com/ce/ci/yaml/README.html#cache
 cache:
   paths:
-  - node_modules/
+    - node_modules/
 
 test_async:
   script:
-   - npm install
-   - node ./specs/start.js ./specs/async.spec.js
+    - npm install
+    - node ./specs/start.js ./specs/async.spec.js
 
 test_db:
   script:
-   - npm install
-   - node ./specs/start.js ./specs/db-postgres.spec.js
+    - npm install
+    - node ./specs/start.js ./specs/db-postgres.spec.js
diff --git a/lib/gitlab/ci/templates/OpenShift.gitlab-ci.yml b/lib/gitlab/ci/templates/OpenShift.gitlab-ci.yml
index 61a925e0d2d..65abee1f5eb 100644
--- a/lib/gitlab/ci/templates/OpenShift.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/OpenShift.gitlab-ci.yml
@@ -1,9 +1,9 @@
 image: ayufan/openshift-cli
 
 stages:
-  - build # dummy stage to follow the template guidelines
+  - build  # dummy stage to follow the template guidelines
   - test
-  - deploy # dummy stage to follow the template guidelines
+  - deploy  # dummy stage to follow the template guidelines
   - review
   - staging
   - production
diff --git a/lib/gitlab/ci/templates/PHP.gitlab-ci.yml b/lib/gitlab/ci/templates/PHP.gitlab-ci.yml
index 33f44ee9222..b9fee2d5731 100644
--- a/lib/gitlab/ci/templates/PHP.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/PHP.gitlab-ci.yml
@@ -4,19 +4,19 @@ image: php:7.1.1
 # Select what we should cache between builds
 cache:
   paths:
-  - vendor/
+    - vendor/
 
 before_script:
-- apt-get update -yqq
-- apt-get install -yqq git libmcrypt-dev libpq-dev libcurl4-gnutls-dev libicu-dev libvpx-dev libjpeg-dev libpng-dev libxpm-dev zlib1g-dev libfreetype6-dev libxml2-dev libexpat1-dev libbz2-dev libgmp3-dev libldap2-dev unixodbc-dev libsqlite3-dev libaspell-dev libsnmp-dev libpcre3-dev libtidy-dev
-# Install PHP extensions
-- docker-php-ext-install mbstring mcrypt pdo_pgsql curl json intl gd xml zip bz2 opcache
-# Install & enable Xdebug for code coverage reports
-- pecl install xdebug
-- docker-php-ext-enable xdebug
-# Install and run Composer
-- curl -sS https://getcomposer.org/installer | php
-- php composer.phar install
+  - apt-get update -yqq
+  - apt-get install -yqq git libmcrypt-dev libpq-dev libcurl4-gnutls-dev libicu-dev libvpx-dev libjpeg-dev libpng-dev libxpm-dev zlib1g-dev libfreetype6-dev libxml2-dev libexpat1-dev libbz2-dev libgmp3-dev libldap2-dev unixodbc-dev libsqlite3-dev libaspell-dev libsnmp-dev libpcre3-dev libtidy-dev
+  # Install PHP extensions
+  - docker-php-ext-install mbstring mcrypt pdo_pgsql curl json intl gd xml zip bz2 opcache
+  # Install & enable Xdebug for code coverage reports
+  - pecl install xdebug
+  - docker-php-ext-enable xdebug
+  # Install and run Composer
+  - curl -sS https://getcomposer.org/installer | php
+  - php composer.phar install
 
 # Bring in any services we need http://docs.gitlab.com/ee/ci/docker/using_docker_images.html#what-is-a-service
 # See http://docs.gitlab.com/ce/ci/services/README.html for examples.
@@ -33,4 +33,4 @@ variables:
 # If Xdebug was installed you can generate a coverage report and see code coverage metrics.
 test:
   script:
-  - vendor/bin/phpunit --configuration phpunit.xml --coverage-text --colors=never
\ No newline at end of file
+    - vendor/bin/phpunit --configuration phpunit.xml --coverage-text --colors=never
diff --git a/lib/gitlab/ci/templates/Pages/Brunch.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Brunch.gitlab-ci.yml
index d6de8cab5d1..d2dd3fbfb75 100644
--- a/lib/gitlab/ci/templates/Pages/Brunch.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Brunch.gitlab-ci.yml
@@ -4,12 +4,12 @@ image: node:4.2.2
 pages:
   cache:
     paths:
-    - node_modules/
+      - node_modules/
   script:
-  - npm install -g brunch
-  - brunch build --production
+    - npm install -g brunch
+    - brunch build --production
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Doxygen.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Doxygen.gitlab-ci.yml
index 791afdd23f1..ba422c08614 100644
--- a/lib/gitlab/ci/templates/Pages/Doxygen.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Doxygen.gitlab-ci.yml
@@ -3,11 +3,11 @@ image: alpine
 
 pages:
   script:
-  - apk update && apk add doxygen
-  - doxygen doxygen/Doxyfile
-  - mv doxygen/documentation/html/ public/
+    - apk update && apk add doxygen
+    - doxygen doxygen/Doxyfile
+    - mv doxygen/documentation/html/ public/
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Gatsby.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Gatsby.gitlab-ci.yml
index 9df2a4797b2..a683561a455 100644
--- a/lib/gitlab/ci/templates/Pages/Gatsby.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Gatsby.gitlab-ci.yml
@@ -4,14 +4,14 @@ image: node:latest
 # http://docs.gitlab.com/ce/ci/yaml/README.html#cache
 cache:
   paths:
-  - node_modules/
+    - node_modules/
 
 pages:
   script:
-  - yarn install
-  - ./node_modules/.bin/gatsby build --prefix-paths
+    - yarn install
+    - ./node_modules/.bin/gatsby build --prefix-paths
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/HTML.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/HTML.gitlab-ci.yml
index 249a168aa33..92f25280c6e 100644
--- a/lib/gitlab/ci/templates/Pages/HTML.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/HTML.gitlab-ci.yml
@@ -2,11 +2,11 @@
 pages:
   stage: deploy
   script:
-  - mkdir .public
-  - cp -r * .public
-  - mv .public public
+    - mkdir .public
+    - cp -r * .public
+    - mv .public public
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Harp.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Harp.gitlab-ci.yml
index 4b58003ee10..0e206423fa5 100644
--- a/lib/gitlab/ci/templates/Pages/Harp.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Harp.gitlab-ci.yml
@@ -4,12 +4,12 @@ image: node:4.2.2
 pages:
   cache:
     paths:
-    - node_modules
+      - node_modules
   script:
-  - npm install -g harp
-  - harp compile ./ public
+    - npm install -g harp
+    - harp compile ./ public
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Hexo.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Hexo.gitlab-ci.yml
index a9e195370f7..d91a8d7421f 100644
--- a/lib/gitlab/ci/templates/Pages/Hexo.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Hexo.gitlab-ci.yml
@@ -3,15 +3,15 @@ image: node:10.15.3
 
 pages:
   script:
-  - npm install hexo-cli -g
-  - test -e package.json && npm install
-  - hexo generate
+    - npm install hexo-cli -g
+    - test -e package.json && npm install
+    - hexo generate
   artifacts:
     paths:
-    - public
+      - public
   cache:
     paths:
       - node_modules
     key: project
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Hugo.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Hugo.gitlab-ci.yml
index f9ddcc6fb0a..9a3ecd1c34f 100644
--- a/lib/gitlab/ci/templates/Pages/Hugo.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Hugo.gitlab-ci.yml
@@ -3,15 +3,15 @@ image: dettmering/hugo-build
 
 pages:
   script:
-  - hugo
+    - hugo
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
 
 test:
   script:
-  - hugo
+    - hugo
   except:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Hyde.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Hyde.gitlab-ci.yml
index f5b40f2b9f1..7a441a2f70f 100644
--- a/lib/gitlab/ci/templates/Pages/Hyde.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Hyde.gitlab-ci.yml
@@ -3,7 +3,7 @@ image: python:2.7
 
 cache:
   paths:
-  - vendor/
+    - vendor/
 
 test:
   stage: test
@@ -20,6 +20,6 @@ pages:
     - hyde gen -d public
   artifacts:
     paths:
-    - public
+      - public
   only:
     - master
diff --git a/lib/gitlab/ci/templates/Pages/JBake.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/JBake.gitlab-ci.yml
index 7a485f8d135..886b6c36249 100644
--- a/lib/gitlab/ci/templates/Pages/JBake.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/JBake.gitlab-ci.yml
@@ -4,28 +4,28 @@
 # JBake https://jbake.org/ is a Java based, open source, static site/blog generator for developers & designers
 #
 # This yml works with jBake 2.5.1
-# Feel free to change JBAKE_VERSION version 
+# Feel free to change JBAKE_VERSION version
 #
 # HowTo at: https://jorge.aguilera.gitlab.io/howtojbake/
 
 image: java:8
 
 variables:
-    JBAKE_VERSION: 2.5.1
+  JBAKE_VERSION: 2.5.1
 
 # We use SDKMan as tool for managing versions
 before_script:
-   - apt-get update -qq && apt-get install -y -qq unzip zip
-   - curl -sSL https://get.sdkman.io | bash
-   - echo sdkman_auto_answer=true > /root/.sdkman/etc/config
-   - source /root/.sdkman/bin/sdkman-init.sh
-   - sdk install jbake $JBAKE_VERSION < /dev/null
-   - sdk use jbake $JBAKE_VERSION
+  - apt-get update -qq && apt-get install -y -qq unzip zip
+  - curl -sSL https://get.sdkman.io | bash
+  - echo sdkman_auto_answer=true > /root/.sdkman/etc/config
+  - source /root/.sdkman/bin/sdkman-init.sh
+  - sdk install jbake $JBAKE_VERSION < /dev/null
+  - sdk use jbake $JBAKE_VERSION
 
 # This build job produced the output directory of your site
 pages:
- script:
- - jbake . public
- artifacts:
-   paths:
-   - public
+  script:
+    - jbake . public
+  artifacts:
+    paths:
+      - public
diff --git a/lib/gitlab/ci/templates/Pages/Jekyll.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Jekyll.gitlab-ci.yml
index 37f50554036..0d742aa282d 100644
--- a/lib/gitlab/ci/templates/Pages/Jekyll.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Jekyll.gitlab-ci.yml
@@ -6,25 +6,24 @@ variables:
   JEKYLL_ENV: production
 
 before_script:
-- bundle install
+  - bundle install
 
 test:
   stage: test
   script:
-  - bundle exec jekyll build -d test
+    - bundle exec jekyll build -d test
   artifacts:
     paths:
-    - test
+      - test
   except:
-  - master
+    - master
 
 pages:
   stage: deploy
   script:
-  - bundle exec jekyll build -d public
+    - bundle exec jekyll build -d public
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
-
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Jigsaw.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Jigsaw.gitlab-ci.yml
index 5ca4619e200..2d26b86a328 100644
--- a/lib/gitlab/ci/templates/Pages/Jigsaw.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Jigsaw.gitlab-ci.yml
@@ -7,8 +7,8 @@ image: php:7.2
 # These folders are cached between builds
 cache:
   paths:
-  - vendor/
-  - node_modules/
+    - vendor/
+    - node_modules/
 
 before_script:
   # Update packages
@@ -28,10 +28,10 @@ before_script:
 
 pages:
   script:
-  - npm run production
-  - mv build_production public
+    - npm run production
+    - mv build_production public
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Lektor.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Lektor.gitlab-ci.yml
index c5c44a5d86c..93ab8e0be0d 100644
--- a/lib/gitlab/ci/templates/Pages/Lektor.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Lektor.gitlab-ci.yml
@@ -3,10 +3,10 @@ image: python:2.7
 
 pages:
   script:
-  - pip install lektor
-  - lektor build --output-path public
+    - pip install lektor
+    - lektor build --output-path public
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Metalsmith.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Metalsmith.gitlab-ci.yml
index c6ded272150..6524405133a 100644
--- a/lib/gitlab/ci/templates/Pages/Metalsmith.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Metalsmith.gitlab-ci.yml
@@ -4,13 +4,13 @@ image: node:4.2.2
 pages:
   cache:
     paths:
-    - node_modules/
+      - node_modules/
   script:
-  - npm install -g metalsmith
-  - npm install
-  - make build
+    - npm install -g metalsmith
+    - npm install
+    - make build
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Middleman.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Middleman.gitlab-ci.yml
index 9f4cc0574d6..57ac323dfdf 100644
--- a/lib/gitlab/ci/templates/Pages/Middleman.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Middleman.gitlab-ci.yml
@@ -3,25 +3,25 @@ image: ruby:2.3
 
 cache:
   paths:
-  - vendor
+    - vendor
 
 test:
   script:
-  - apt-get update -yqqq
-  - apt-get install -y nodejs
-  - bundle install --path vendor
-  - bundle exec middleman build
+    - apt-get update -yqqq
+    - apt-get install -y nodejs
+    - bundle install --path vendor
+    - bundle exec middleman build
   except:
     - master
 
 pages:
   script:
-  - apt-get update -yqqq
-  - apt-get install -y nodejs
-  - bundle install --path vendor
-  - bundle exec middleman build
+    - apt-get update -yqqq
+    - apt-get install -y nodejs
+    - bundle install --path vendor
+    - bundle exec middleman build
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Nanoc.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Nanoc.gitlab-ci.yml
index b469b316ba5..7f037b5f5cf 100644
--- a/lib/gitlab/ci/templates/Pages/Nanoc.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Nanoc.gitlab-ci.yml
@@ -3,10 +3,10 @@ image: ruby:2.3
 
 pages:
   script:
-  - bundle install -j4
-  - nanoc
+    - bundle install -j4
+    - nanoc
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Octopress.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Octopress.gitlab-ci.yml
index 4762ec9acfd..6d912a89bc1 100644
--- a/lib/gitlab/ci/templates/Pages/Octopress.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Octopress.gitlab-ci.yml
@@ -3,13 +3,13 @@ image: ruby:2.3
 
 pages:
   script:
-  - apt-get update -qq && apt-get install -qq nodejs
-  - bundle install -j4
-  - bundle exec rake generate
-  - mv public .public
-  - mv .public/octopress public
+    - apt-get update -qq && apt-get install -qq nodejs
+    - bundle install -j4
+    - bundle exec rake generate
+    - mv public .public
+    - mv .public/octopress public
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Pages/Pelican.gitlab-ci.yml b/lib/gitlab/ci/templates/Pages/Pelican.gitlab-ci.yml
index c5f3154f587..09c6649fc13 100644
--- a/lib/gitlab/ci/templates/Pages/Pelican.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Pages/Pelican.gitlab-ci.yml
@@ -3,8 +3,8 @@ image: python:2.7-alpine
 
 pages:
   script:
-  - pip install -r requirements.txt
-  - pelican -s publishconf.py
+    - pip install -r requirements.txt
+    - pelican -s publishconf.py
   artifacts:
     paths:
-    - public/
+      - public/
diff --git a/lib/gitlab/ci/templates/Python.gitlab-ci.yml b/lib/gitlab/ci/templates/Python.gitlab-ci.yml
index 3eaed4e91cd..00b8b94b574 100644
--- a/lib/gitlab/ci/templates/Python.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Python.gitlab-ci.yml
@@ -18,34 +18,34 @@ cache:
     - venv/
 
 before_script:
-  - python -V # Print out python version for debugging
+  - python -V  # Print out python version for debugging
   - pip install virtualenv
   - virtualenv venv
   - source venv/bin/activate
 
 test:
   script:
-  - python setup.py test
-  - pip install tox flake8 # you can also use tox
-  - tox -e py36,flake8
+    - python setup.py test
+    - pip install tox flake8  # you can also use tox
+    - tox -e py36,flake8
 
 run:
   script:
-  - python setup.py bdist_wheel
-  # an alternative approach is to install and run:
-  - pip install dist/*
-  # run the command here
+    - python setup.py bdist_wheel
+    # an alternative approach is to install and run:
+    - pip install dist/*
+    # run the command here
   artifacts:
     paths:
-    - dist/*.whl
+      - dist/*.whl
 
 pages:
   script:
-  - pip install sphinx sphinx-rtd-theme
-  - cd doc ; make html
-  - mv build/html/ ../public/
+    - pip install sphinx sphinx-rtd-theme
+    - cd doc ; make html
+    - mv build/html/ ../public/
   artifacts:
     paths:
-    - public
+      - public
   only:
-  - master
+    - master
diff --git a/lib/gitlab/ci/templates/Ruby.gitlab-ci.yml b/lib/gitlab/ci/templates/Ruby.gitlab-ci.yml
index 93196dbd475..b3cad8b858a 100644
--- a/lib/gitlab/ci/templates/Ruby.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Ruby.gitlab-ci.yml
@@ -21,7 +21,7 @@ cache:
 # This is a basic example for a gem or script which doesn't use
 # services such as redis or postgres
 before_script:
-  - ruby -v # Print out ruby version for debugging
+  - ruby -v  # Print out ruby version for debugging
   # Uncomment next line if your rails app needs a JS runtime:
   # - apt-get update -q && apt-get install nodejs -yqq
   - bundle install -j $(nproc) --path vendor  # Install dependencies into ./vendor/ruby
@@ -29,19 +29,19 @@ before_script:
 # Optional - Delete if not using `rubocop`
 rubocop:
   script:
-  - rubocop
+    - rubocop
 
 rspec:
   script:
-  - rspec spec
+    - rspec spec
 
 rails:
   variables:
     DATABASE_URL: "postgresql://postgres:postgres@postgres:5432/$POSTGRES_DB"
   script:
-  - rails db:migrate
-  - rails db:seed
-  - rails test
+    - rails db:migrate
+    - rails db:seed
+    - rails test
 
 # This deploy job uses a simple deploy flow to Heroku, other providers, e.g. AWS Elastic Beanstalk
 # are supported too: https://github.com/travis-ci/dpl
@@ -49,5 +49,5 @@ deploy:
   type: deploy
   environment: production
   script:
-  - gem install dpl
-  - dpl --provider=heroku --app=$HEROKU_APP_NAME --api-key=$HEROKU_PRODUCTION_KEY
+    - gem install dpl
+    - dpl --provider=heroku --app=$HEROKU_APP_NAME --api-key=$HEROKU_PRODUCTION_KEY
diff --git a/lib/gitlab/ci/templates/Rust.gitlab-ci.yml b/lib/gitlab/ci/templates/Rust.gitlab-ci.yml
index cab087c48c7..a25dc38e4e7 100644
--- a/lib/gitlab/ci/templates/Rust.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Rust.gitlab-ci.yml
@@ -5,19 +5,19 @@ image: "rust:latest"
 # Optional: Pick zero or more services to be used on all builds.
 # Only needed when using a docker container to run your tests in.
 # Check out: http://docs.gitlab.com/ce/ci/docker/using_docker_images.html#what-is-a-service
-#services:
-#  - mysql:latest
-#  - redis:latest
-#  - postgres:latest
+# services:
+#   - mysql:latest
+#   - redis:latest
+#   - postgres:latest
 
 # Optional: Install a C compiler, cmake and git into the container.
 # You will often need this when you (or any of your dependencies) depends on C code.
-#before_script:
-#- apt-get update -yqq
-#- apt-get install -yqq --no-install-recommends build-essential
+# before_script:
+#   - apt-get update -yqq
+#   - apt-get install -yqq --no-install-recommends build-essential
 
 # Use cargo to test the project
 test:cargo:
   script:
-  - rustc --version && cargo --version      # Print version info for debugging
-  - cargo test --all --verbose
+    - rustc --version && cargo --version  # Print version info for debugging
+    - cargo test --all --verbose
diff --git a/lib/gitlab/ci/templates/Security/DAST.gitlab-ci.yml b/lib/gitlab/ci/templates/Security/DAST.gitlab-ci.yml
index 27a498b2daf..4b55ffd3771 100644
--- a/lib/gitlab/ci/templates/Security/DAST.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Security/DAST.gitlab-ci.yml
@@ -15,22 +15,22 @@ dast:
   image:
     name: "registry.gitlab.com/gitlab-org/security-products/dast:$CI_SERVER_VERSION_MAJOR-$CI_SERVER_VERSION_MINOR-stable"
   variables:
-    # URL to scan:
-    # DAST_WEBSITE: https://example.com/
-    #
-    # Time limit for target availability (scan is attempted even when timeout):
-    # DAST_TARGET_AVAILABILITY_TIMEOUT: 60
-    #
-    # Set these variables to scan with an authenticated user:
-    # DAST_AUTH_URL: https://example.com/sign-in
-    # DAST_USERNAME: john.doe@example.com
-    # DAST_PASSWORD: john-doe-password
-    # DAST_USERNAME_FIELD: session[user] # the name of username field at the sign-in HTML form
-    # DAST_PASSWORD_FIELD: session[password] # the name of password field at the sign-in HTML form
-    # DAST_AUTH_EXCLUDE_URLS: http://example.com/sign-out,http://example.com/sign-out-2 # optional: URLs to skip during the authenticated scan; comma-separated, no spaces in between
-    #
-    # Perform ZAP Full Scan, which includes both passive and active scanning:
-    # DAST_FULL_SCAN_ENABLED: "true"
+  # URL to scan:
+  # DAST_WEBSITE: https://example.com/
+  #
+  # Time limit for target availability (scan is attempted even when timeout):
+  # DAST_TARGET_AVAILABILITY_TIMEOUT: 60
+  #
+  # Set these variables to scan with an authenticated user:
+  # DAST_AUTH_URL: https://example.com/sign-in
+  # DAST_USERNAME: john.doe@example.com
+  # DAST_PASSWORD: john-doe-password
+  # DAST_USERNAME_FIELD: session[user] # the name of username field at the sign-in HTML form
+  # DAST_PASSWORD_FIELD: session[password] # the name of password field at the sign-in HTML form
+  # DAST_AUTH_EXCLUDE_URLS: http://example.com/sign-out,http://example.com/sign-out-2 # optional: URLs to skip during the authenticated scan; comma-separated, no spaces in between
+  #
+  # Perform ZAP Full Scan, which includes both passive and active scanning:
+  # DAST_FULL_SCAN_ENABLED: "true"
   allow_failure: true
   script:
     - export DAST_WEBSITE=${DAST_WEBSITE:-$(cat environment_url.txt)}
diff --git a/lib/gitlab/ci/templates/Security/License-Management.gitlab-ci.yml b/lib/gitlab/ci/templates/Security/License-Management.gitlab-ci.yml
index 0208beb35b8..b6555e627a1 100644
--- a/lib/gitlab/ci/templates/Security/License-Management.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Security/License-Management.gitlab-ci.yml
@@ -1,7 +1,7 @@
 # Read more about this feature here: https://docs.gitlab.com/ee/user/project/merge_requests/license_management.html
 
 variables:
-  LICENSE_MANAGEMENT_SETUP_CMD: '' # If needed, specify a command to setup your environment with a custom package manager.
+  LICENSE_MANAGEMENT_SETUP_CMD: ''  # If needed, specify a command to setup your environment with a custom package manager.
 
 license_management:
   stage: test
diff --git a/lib/gitlab/ci/templates/Swift.gitlab-ci.yml b/lib/gitlab/ci/templates/Swift.gitlab-ci.yml
index 9aa4abd4791..ffed7a0fec2 100644
--- a/lib/gitlab/ci/templates/Swift.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Swift.gitlab-ci.yml
@@ -25,7 +25,7 @@ archive_project:
     - master
   artifacts:
     paths:
-    - build/ProjectName.ipa
+      - build/ProjectName.ipa
   tags:
     - ios_11-3
     - xcode_9-3
diff --git a/lib/gitlab/ci/templates/dotNET-Core.yml b/lib/gitlab/ci/templates/dotNET-Core.yml
index 708b75f83e8..40ca296d7bd 100644
--- a/lib/gitlab/ci/templates/dotNET-Core.yml
+++ b/lib/gitlab/ci/templates/dotNET-Core.yml
@@ -1,4 +1,5 @@
-# This is a simple example illustrating how to build and test .NET Core project
+---
+# This is a simple example illustrating how to build and test .NET Core project
 # with GitLab Continuous Integration / Continuous Delivery.
 
 # ### Specify the Docker image
@@ -17,21 +18,21 @@ image: microsoft/dotnet:latest
 # ### Define variables
 #
 variables:
- # 1) Name of directory where restore and build objects are stored.
- OBJECTS_DIRECTORY: 'obj'
- # 2) Name of directory used for keeping restored dependencies.
- NUGET_PACKAGES_DIRECTORY: '.nuget'
- # 3) A relative path to the source code from project repository root.
- # NOTE: Please edit this path so it matches the structure of your project!
- SOURCE_CODE_PATH: '*/*/'
+  # 1) Name of directory where restore and build objects are stored.
+  OBJECTS_DIRECTORY: 'obj'
+  # 2) Name of directory used for keeping restored dependencies.
+  NUGET_PACKAGES_DIRECTORY: '.nuget'
+  # 3) A relative path to the source code from project repository root.
+  # NOTE: Please edit this path so it matches the structure of your project!
+  SOURCE_CODE_PATH: '*/*/'
 
 # ### Define stage list
 #
 # In this example there are only two stages.
 # Initially, the project will be built and then tested.
 stages:
- - build
- - test
+  - build
+  - test
 
 # ### Define global cache rule
 #
@@ -50,31 +51,31 @@ stages:
 # With global cache rule, cached dependencies will be downloaded before every job
 # and then unpacked to the paths as specified below.
 cache:
- # Per-stage and per-branch caching.
- key: "$CI_JOB_STAGE-$CI_COMMIT_REF_SLUG"
- paths:
-  # Specify three paths that should be cached:
+  # Per-stage and per-branch caching.
+  key: "$CI_JOB_STAGE-$CI_COMMIT_REF_SLUG"
+  paths:
+    # Specify three paths that should be cached:
+    #
+    # 1) Main JSON file holding information about package dependency tree, packages versions,
+    # frameworks etc. It also holds information where to the dependencies were restored.
+    - '$SOURCE_CODE_PATH$OBJECTS_DIRECTORY/project.assets.json'
+    # 2) Other NuGet and MSBuild related files. Also needed.
+    - '$SOURCE_CODE_PATH$OBJECTS_DIRECTORY/*.csproj.nuget.*'
+    # 3) Path to the directory where restored dependencies are kept.
+    - '$NUGET_PACKAGES_DIRECTORY'
   #
-  # 1) Main JSON file holding information about package dependency tree, packages versions,
-  # frameworks etc. It also holds information where to the dependencies were restored.
-  - '$SOURCE_CODE_PATH$OBJECTS_DIRECTORY/project.assets.json'
-  # 2) Other NuGet and MSBuild related files. Also needed.
-  - '$SOURCE_CODE_PATH$OBJECTS_DIRECTORY/*.csproj.nuget.*'
-  # 3) Path to the directory where restored dependencies are kept.
-  - '$NUGET_PACKAGES_DIRECTORY'
- #
- # 'pull-push' policy means that latest cache will be downloaded (if it exists)
- # before executing the job, and a newer version will be uploaded afterwards.
- # Such a setting saves time when there are no changes in referenced third-party
- # packages.
- #
- # For example, if you run a pipeline with changes in your code,
- # but with no changes within third-party packages which your project is using,
- # then project restore will happen quickly as all required dependencies
- # will already be there — unzipped from cache.
+  # 'pull-push' policy means that latest cache will be downloaded (if it exists)
+  # before executing the job, and a newer version will be uploaded afterwards.
+  # Such a setting saves time when there are no changes in referenced third-party
+  # packages.
+  #
+  # For example, if you run a pipeline with changes in your code,
+  # but with no changes within third-party packages which your project is using,
+  # then project restore will happen quickly as all required dependencies
+  # will already be there — unzipped from cache.
 
- # 'pull-push' policy is the default cache policy, you do not have to specify it explicitly.
- policy: pull-push
+  # 'pull-push' policy is the default cache policy, you do not have to specify it explicitly.
+  policy: pull-push
 
 # ### Restore project dependencies
 #
@@ -87,30 +88,30 @@ cache:
 #
 # Learn more about GitLab cache: https://docs.gitlab.com/ee/ci/caching/index.html
 before_script:
- - 'dotnet restore --packages $NUGET_PACKAGES_DIRECTORY'
+  - 'dotnet restore --packages $NUGET_PACKAGES_DIRECTORY'
 
 build:
- stage: build
- # ### Build all projects discovered from solution file.
- #
- # Note: this will fail if you have any projects in your solution that are not
- # .NET Core-based projects (e.g. WCF service), which is based on .NET Framework,
- # not .NET Core. In this scenario, you will need to build every .NET Core-based
- # project by explicitly specifying a relative path to the directory
- # where it is located (e.g. 'dotnet build ./src/ConsoleApp').
- # Only one project path can be passed as a parameter to 'dotnet build' command.
- script:
-  - 'dotnet build --no-restore'
+  stage: build
+  # ### Build all projects discovered from solution file.
+  #
+  # Note: this will fail if you have any projects in your solution that are not
+  # .NET Core-based projects (e.g. WCF service), which is based on .NET Framework,
+  # not .NET Core. In this scenario, you will need to build every .NET Core-based
+  # project by explicitly specifying a relative path to the directory
+  # where it is located (e.g. 'dotnet build ./src/ConsoleApp').
+  # Only one project path can be passed as a parameter to 'dotnet build' command.
+  script:
+    - 'dotnet build --no-restore'
 
 tests:
- stage: test
- # ### Run the tests
- #
- # You can either run tests for all test projects that are defined in your solution
- # with 'dotnet test' or run tests only for specific project by specifying
- # a relative path to the directory where it is located (e.g. 'dotnet test ./test/UnitTests').
- #
- # You may want to define separate testing jobs for different types of testing
- # (e.g. integration tests, unit tests etc).
- script:
- - 'dotnet test --no-restore'
+  stage: test
+  # ### Run the tests
+  #
+  # You can either run tests for all test projects that are defined in your solution
+  # with 'dotnet test' or run tests only for specific project by specifying
+  # a relative path to the directory where it is located (e.g. 'dotnet test ./test/UnitTests').
+  #
+  # You may want to define separate testing jobs for different types of testing
+  # (e.g. integration tests, unit tests etc).
+  script:
+    - 'dotnet test --no-restore'
diff --git a/lib/gitlab/ci/templates/dotNET.gitlab-ci.yml b/lib/gitlab/ci/templates/dotNET.gitlab-ci.yml
index 5e128b793d0..b29f45323f5 100644
--- a/lib/gitlab/ci/templates/dotNET.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/dotNET.gitlab-ci.yml
@@ -3,12 +3,12 @@
 # (located in gitlab-runner.exe directory):
 #   shell = "powershell"
 #
-# The script is composed of 3 stages: build, test and deploy.  
+# The script is composed of 3 stages: build, test and deploy.
 #
 # The build stage restores NuGet packages and uses msbuild to build the exe and msi
 # One major issue you'll find is that you can't build msi projects from command line
 # if you use vdproj.  There are workarounds building msi via devenv, but they rarely work
-# The best solution is migrating your vdproj projects to WiX, as it can be build directly 
+# The best solution is migrating your vdproj projects to WiX, as it can be build directly
 # by msbuild.
 #
 # The test stage runs nunit from command line against Test project inside your solution
@@ -38,28 +38,28 @@ stages:
 build_job:
   stage: build
   only:
-    - tags # the build process will only be started by git tag commits
+    - tags  # the build process will only be started by git tag commits
   script:
-    - '& "$env:NUGET_PATH" restore' # restore Nuget dependencies
-    - '& "$env:MSBUILD_PATH" /p:Configuration=Release' # build the project
+    - '& "$env:NUGET_PATH" restore'  # restore Nuget dependencies
+    - '& "$env:MSBUILD_PATH" /p:Configuration=Release'  # build the project
   artifacts:
-    expire_in: 1 week # save gitlab server space, we copy the files we need to deploy folder later on
+    expire_in: 1 week  # save gitlab server space, we copy the files we need to deploy folder later on
     paths:
-      - '$env:EXE_RELEASE_FOLDER\YourApp.exe' # saving exe to copy to deploy folder
-      - '$env:MSI_RELEASE_FOLDER\YourApp Setup.msi' # saving msi to copy to deploy folder
-      - '$env:TEST_FOLDER\' # saving entire Test project so NUnit can run tests 
+      - '$env:EXE_RELEASE_FOLDER\YourApp.exe'  # saving exe to copy to deploy folder
+      - '$env:MSI_RELEASE_FOLDER\YourApp Setup.msi'  # saving msi to copy to deploy folder
+      - '$env:TEST_FOLDER\'  # saving entire Test project so NUnit can run tests
 
 test_job:
   stage: test
   only:
     - tags
   script:
-    - '& "$env:NUNIT_PATH" ".\$env:TEST_FOLDER\Tests.dll"' # running NUnit tests
+    - '& "$env:NUNIT_PATH" ".\$env:TEST_FOLDER\Tests.dll"'  # running NUnit tests
   artifacts:
-    when: always # save test results even when the task fails
-    expire_in: 1 week # save gitlab server space, we copy the files we need to deploy folder later on
+    when: always  # save test results even when the task fails
+    expire_in: 1 week  # save gitlab server space, we copy the files we need to deploy folder later on
     paths:
-      - '.\TestResult.xml' # saving NUnit results to copy to deploy folder
+      - '.\TestResult.xml'  # saving NUnit results to copy to deploy folder
   dependencies:
     - build_job
 
@@ -79,7 +79,6 @@ deploy_job:
     - 'xcopy /y ".\$env:EXE_RELEASE_FOLDER\YourApp.exe" "$deployFolder"'
     - 'xcopy /y ".\$env:MSI_RELEASE_FOLDER\YourApp Setup.msi" "$deployFolder"'
     - 'xcopy /y ".\TestResult.xml" "$deployFolder"'
-
   dependencies:
     - build_job
     - test_job
diff --git a/lib/gitlab/ci/templates/iOS-Fastlane.gitlab-ci.yml b/lib/gitlab/ci/templates/iOS-Fastlane.gitlab-ci.yml
index a4a9e96c1d2..87aea8527d1 100644
--- a/lib/gitlab/ci/templates/iOS-Fastlane.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/iOS-Fastlane.gitlab-ci.yml
@@ -1,13 +1,13 @@
 # This is a very simple template that mainly relies on FastLane to build and distribute your app.
 # Read more about how to use this template on the blog post https://about.gitlab.com/2019/03/06/ios-publishing-with-gitlab-and-fastlane/
-# You will also need fastlane and signing configuration for this to work, along with a MacOS runner. 
+# You will also need fastlane and signing configuration for this to work, along with a MacOS runner.
 # These details are provided in the blog post.
 
 # Note that when you're using the shell executor for MacOS builds, the
 # build and tests run as the identity of the runner logged in user, directly on
 # the build host. This is less secure than using container executors, so please
-# take a look at our security implications documentation at 
-# https://docs.gitlab.com/runner/security/#usage-of-shell-executor for additional 
+# take a look at our security implications documentation at
+# https://docs.gitlab.com/runner/security/#usage-of-shell-executor for additional
 # detail on what to keep in mind in this scenario.
 
 stages:
@@ -27,4 +27,4 @@ build:
     - bundle exec fastlane build
   artifacts:
     paths:
-    - ./*.ipa
+      - ./*.ipa