Convert absolute links to relative in /ci docs

Fix more links after review

Update redirect_from link

Apply suggestion to doc/ci/introduction/index.md

Apply suggestion to doc/ci/README.md

Apply suggestion to doc/ci/README.md

Make front matter redirect_from links absolute

Change front matter to fix discus comments

1 files changed, 11 insertions, 11 deletions

diff --git a/doc/ci/README.md b/doc/ci/README.md
index 8b70699cdb5..1743c38eb46 100644
--- a/doc/ci/README.md
+++ b/doc/ci/README.md
@@ -63,7 +63,7 @@ Once you're familiar with how GitLab CI/CD works, see the
 for all the attributes you can set and use.
 
 NOTE: **Note:**
-GitLab CI/CD and [shared runners](runners/README.md#shared-specific-and-group-runners) are enabled in GitLab.com and available for all users, limited only to the [user's pipelines quota](https://docs.gitlab.com/ee/user/admin_area/settings/continuous_integration.html#extra-shared-runners-pipeline-minutes-quota).
+GitLab CI/CD and [shared runners](runners/README.md#shared-specific-and-group-runners) are enabled in GitLab.com and available for all users, limited only to the [user's pipelines quota](../user/admin_area/settings/continuous_integration.md#extra-shared-runners-pipeline-minutes-quota).
 
 ## Configuration
 
@@ -101,10 +101,10 @@ Its feature set is listed on the table below according to DevOps stages.
 | [ChatOps](chatops/README.md) | Trigger CI jobs from chat, with results sent back to the channel. |
 |---+---|
 | **Verify** ||
-| [Browser Performance Testing](https://docs.gitlab.com/ee/user/project/merge_requests/browser_performance_testing.html) | Quickly determine the performance impact of pending code changes. |
+| [Browser Performance Testing](../user/project/merge_requests/browser_performance_testing.md) | Quickly determine the performance impact of pending code changes. |
 | [CI services](services/README.md) | Link Docker containers with your base image.|
-| [Code Quality](https://docs.gitlab.com/ee/user/project/merge_requests/code_quality.html) **[STARTER]** | Analyze your source code quality. |
-| [GitLab CI/CD for external repositories](https://docs.gitlab.com/ee/ci/ci_cd_for_external_repos/) **[PREMIUM]** | Get the benefits of GitLab CI/CD combined with repositories in GitHub and BitBucket Cloud. |
+| [Code Quality](../user/project/merge_requests/code_quality.md) **[STARTER]** | Analyze your source code quality. |
+| [GitLab CI/CD for external repositories](ci_cd_for_external_repos/index.md) **[PREMIUM]** | Get the benefits of GitLab CI/CD combined with repositories in GitHub and BitBucket Cloud. |
 | [Interactive Web Terminals](interactive_web_terminal/index.md) **[CORE ONLY]** | Open an interactive web terminal to debug the running jobs. |
 | [JUnit tests](junit_test_reports.md) | Identify script failures directly on merge requests. |
 | [Using Docker images](docker/using_docker_images.md) | Use GitLab and GitLab Runner with Docker to build and test applications. |
@@ -112,18 +112,18 @@ Its feature set is listed on the table below according to DevOps stages.
 | **Release** ||
 | [Auto Deploy](../topics/autodevops/index.md#auto-deploy) | Deploy your application to a production environment in a Kubernetes cluster. |
 | [Building Docker images](docker/using_docker_build.md) | Maintain Docker-based projects using GitLab CI/CD. |
-| [Canary Deployments](https://docs.gitlab.com/ee/user/project/canary_deployments.html) **[PREMIUM]** | Ship features to only a portion of your pods and let a percentage of your user base to visit the temporarily deployed feature. |
-| [Deploy Boards](https://docs.gitlab.com/ee/user/project/deploy_boards.html) **[PREMIUM]** | Check the current health and status of each CI/CD environment running on Kubernetes. |
-| [Feature Flags](https://docs.gitlab.com/ee/user/project/operations/feature_flags.html) **[PREMIUM]** | Deploy your features behind Feature Flags. |
+| [Canary Deployments](../user/project/canary_deployments.md) **[PREMIUM]** | Ship features to only a portion of your pods and let a percentage of your user base to visit the temporarily deployed feature. |
+| [Deploy Boards](../user/project/deploy_boards.md) **[PREMIUM]** | Check the current health and status of each CI/CD environment running on Kubernetes. |
+| [Feature Flags](../user/project/operations/feature_flags.md) **[PREMIUM]** | Deploy your features behind Feature Flags. |
 | [GitLab Pages](../user/project/pages/index.md) | Deploy static websites. |
 | [GitLab Releases](../user/project/releases/index.md) | Add release notes to Git tags. |
 | [Review Apps](review_apps/index.md) | Configure GitLab CI/CD to preview code changes. |
 |---+---|
 | **Secure** ||
-| [Container Scanning](https://docs.gitlab.com/ee/ci/examples/container_scanning.html) **[ULTIMATE]** | Check your Docker containers for known vulnerabilities.|
-| [Dependency Scanning](https://docs.gitlab.com/ee/ci/examples/dependency_scanning.html) **[ULTIMATE]** | Analyze your dependencies for known vulnerabilities. |
-| [License Management](https://docs.gitlab.com/ee/user/application_security/license_management/) **[ULTIMATE]** | Search your project dependencies for their licenses. |
-| [Security Test reports](https://docs.gitlab.com/ee/user/project/merge_requests/#security-reports-ultimate) **[ULTIMATE]** | Check for app vulnerabilities. |
+| [Container Scanning](../user/application_security/container_scanning/index.md) **[ULTIMATE]** | Check your Docker containers for known vulnerabilities.|
+| [Dependency Scanning](../user/application_security/dependency_scanning/index.md) **[ULTIMATE]** | Analyze your dependencies for known vulnerabilities. |
+| [License Management](../user/application_security/license_management/index.md) **[ULTIMATE]** | Search your project dependencies for their licenses. |
+| [Security Test reports](../user/project/merge_requests/index.md#security-reports-ultimate) **[ULTIMATE]** | Check for app vulnerabilities. |
 
 ## Examples