Docs: Fix anchors related to variables doc

doc/README.md

@@ -288,7 +288,7 @@ The following documentation relates to the DevOps **Configure** stage:
 | [GitLab ChatOps](ci/chatops/README.md)                                                                                             | Interact with CI/CD jobs through chat services.                           |
 | [Installing Applications](user/project/clusters/index.md#installing-applications)                                                  | Deploy Helm, Ingress, and Prometheus on Kubernetes.                       |
 | [Mattermost slash commands](user/project/integrations/mattermost_slash_commands.md)                                                | Enable and use slash commands from within Mattermost.                     |
-| [Protected variables](ci/variables/README.md#protected-variables)                                                                  | Restrict variables to protected branches and tags.                        |
+| [Protected variables](ci/variables/README.md#protected-environment-variables)                                                                  | Restrict variables to protected branches and tags.                        |
 | [Serverless](user/project/clusters/serverless/index.md)                                                                            | Run serverless workloads on Kubernetes.                                   |
 | [Slack slash commands](user/project/integrations/slack_slash_commands.md)                                                          | Enable and use slash commands from within Slack.                          |

doc/ci/chatops/README.md

@@ -24,7 +24,7 @@ Since ChatOps is built upon GitLab CI/CD, the job has all the same features and
 * It is strongly recommended to set `only: [chat]` so the job does not run as part of the standard CI pipeline.
 * If the job is set to `when: manual`, the pipeline will be created however the job will wait to be started.
-* It is important to keep in mind that there is very limited support for access control. If the user who triggered the slash command is a developer in the project, the job will run. The job itself can utilize existing [CI/CD variables](../variables/README.html#predefined-environment-variables) like `GITLAB_USER_ID` to perform additional rights validation, however these variables can be [overridden](https://docs.gitlab.com/ce/ci/variables/README.html#priority-of-variables).
+* It is important to keep in mind that there is very limited support for access control. If the user who triggered the slash command is a developer in the project, the job will run. The job itself can utilize existing [CI/CD variables](../variables/README.html#predefined-environment-variables) like `GITLAB_USER_ID` to perform additional rights validation, however these variables can be [overridden](../variables/README.html#priority-of-environment-variables).
 ### Controlling the ChatOps reply

doc/ci/docker/using_docker_images.md

@@ -500,7 +500,7 @@ To configure access for `registry.example.com:5000`, follow these steps:
         bXlfdXNlcm5hbWU6bXlfcGFzc3dvcmQ=
         ```
-1. Create a [variable] `DOCKER_AUTH_CONFIG` with the content of the
+1. Create a [variable](../variables/README.md#gitlab-cicd-environment-variables) `DOCKER_AUTH_CONFIG` with the content of the
    Docker configuration file as the value:
     ```json
@@ -642,7 +642,6 @@ creation.
 [postgres-hub]: https://hub.docker.com/r/_/postgres/
 [mysql-hub]: https://hub.docker.com/r/_/mysql/
 [runner-priv-reg]: http://docs.gitlab.com/runner/configuration/advanced-configuration.html#using-a-private-container-registry
-[variable]: ../variables/README.md#variables
 [entrypoint]: https://docs.docker.com/engine/reference/builder/#entrypoint
 [cmd]: https://docs.docker.com/engine/reference/builder/#cmd
 [register]: https://docs.gitlab.com/runner/register/

doc/ci/environments.md

@@ -224,7 +224,7 @@ The `name` and `url` parameters for dynamic environments can use most available
 including:
 - [Predefined environment variables](variables/README.md#predefined-environment-variables)
-- [Project and group variables](variables/README.md#variables)
+- [Project and group variables](variables/README.md#gitlab-cicd-environment-variables)
 - [`.gitlab-ci.yml` variables](yaml/README.md#variables)
 However, you cannot use variables defined:

doc/ci/examples/laravel_with_gitlab_and_envoy/index.md

@@ -116,7 +116,7 @@ cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
 cat ~/.ssh/id_rsa
 ```
-Now, let's add it to your GitLab project as a [variable](../../variables/README.md#variables).
+Now, let's add it to your GitLab project as a [variable](../../variables/README.md#gitlab-cicd-environment-variables).
 Variables are user-defined variables and are stored out of `.gitlab-ci.yml`, for security purposes.
 They can be added per project by navigating to the project's **Settings** > **CI/CD**.

doc/ci/examples/test-scala-application.md

@@ -69,5 +69,5 @@ in the `.gitlab-ci.yml` file with your application's name.
 ## Heroku API key
 You can look up your Heroku API key in your
-[account](https://dashboard.heroku.com/account). Add a [protected variable](../variables/README.md#protected-variables) with
+[account](https://dashboard.heroku.com/account). Add a [protected variable](../variables/README.md#protected-environment-variables) with
 this value in **Project ➔ Variables** with key `HEROKU_API_KEY`.

doc/ci/ssh_keys/README.md

@@ -49,7 +49,7 @@ to access it. This is where an SSH key pair comes in handy.
    **Do not** add a passphrase to the SSH key, or the `before_script` will
    prompt for it.
-1. Create a new [variable](../variables/README.md#variables).
+1. Create a new [variable](../variables/README.md#gitlab-cicd-environment-variables).
    As **Key** enter the name `SSH_PRIVATE_KEY` and in the **Value** field paste
    the content of your _private_ key that you created earlier.
@@ -157,7 +157,7 @@ ssh-keyscan example.com
 ssh-keyscan 1.2.3.4
 ```
-Create a new [variable](../variables/README.md#variables) with
+Create a new [variable](../variables/README.md#gitlab-cicd-environment-variables) with
 `SSH_KNOWN_HOSTS` as "Key", and as a "Value" add the output of `ssh-keyscan`.
 NOTE: **Note:**

doc/ci/triggers/README.md

@@ -20,7 +20,7 @@ A unique trigger token can be obtained when [adding a new trigger](#adding-a-new
 DANGER: **Danger:**
 Passing plain text tokens in public projects is a security issue. Potential
 attackers can impersonate the user that exposed their trigger token publicly in
-their `.gitlab-ci.yml` file. Use [variables](../variables/README.md#variables)
+their `.gitlab-ci.yml` file. Use [variables](../variables/README.md#gitlab-cicd-environment-variables)
 to protect trigger tokens.
 ## Adding a new trigger

doc/ci/variables/README.md

@@ -3,7 +3,6 @@ table_display_block: true
 ---
 # GitLab CI/CD environment variables
-{: #variables}
 After a brief overview over the use of environment
 variables, this document teaches you how to use GitLab CI/CD's
@@ -65,7 +64,7 @@ To get started, choose one of the existing
 to be output by the Runner. For example, let's say that you want
 a given job you're running through your script to output the
 stage that job is running for. In your `.gitlab-ci.yml` file,
-call the variable from your script according to the [syntaxes](#syntax-of-variables-in-job-scripts) available. To
+call the variable from your script according to the [syntaxes](#syntax-of-environment-variables-in-job-scripts) available. To
 output the job stage, use the predefined variable `CI_JOB_STAGE`:
 ```yaml
@@ -145,7 +144,6 @@ settings](../../user/project/pipelines/settings.md#visibility-of-pipelines).
 Follow the discussion in issue [#13784][ce-13784] for masking the variables.
 ### Syntax of environment variables in job scripts
-{: #syntax-of-variables-in-job-scripts}
 All variables are set as environment variables in the build environment, and
 they are accessible with normal methods that are used to access such variables.
@@ -278,7 +276,6 @@ script:
 ```
 ### Group-level environment variables
-{: #group-level-variables}
 > Introduced in GitLab 9.4.
@@ -297,19 +294,18 @@ Any variables of [subgroups](../../user/group/subgroups/index.md) will be inheri
 Once you set them, they will be available for all subsequent pipelines.
 ## Priority of environment variables
-{: #priority-of-variables}
 Variables of different types can take precedence over other
 variables, depending on where they are defined.
 The order of precedence for variables is (from highest to lowest):
-1. [Trigger variables](../triggers/README.md#making-use-of-trigger-variables) or [scheduled pipeline variables](../../user/project/pipelines/schedules.md#making-use-of-scheduled-pipeline-variables).
-1. Project-level [variables](#creating-a-custom-environment-variable) or [protected variables](#protected-variables).
-1. Group-level [variables](#group-level-variables) or [protected variables](#protected-variables).
+1. [Trigger variables](../triggers/README.md#making-use-of-trigger-variables) or [scheduled pipeline variables](../../user/project/pipelines/schedules.md#using-variables).
+1. Project-level [variables](#creating-a-custom-environment-variable) or [protected variables](#protected-environment-variables).
+1. Group-level [variables](#group-level-environment-variables) or [protected variables](#protected-environment-variables).
 1. YAML-defined [job-level variables](../yaml/README.md#variables).
 1. YAML-defined [global variables](../yaml/README.md#variables).
-1. [Deployment variables](#deployment-variables).
+1. [Deployment variables](#deployment-environment-variables).
 1. [Predefined environment variables](predefined_variables.md).
 For example, if you define:
@@ -329,7 +325,6 @@ about which variables are [not supported](where_variables_can_be_used.md).
 ## Advanced use
 ### Protected environment variables
-{: #protected-variables}
 > Introduced in GitLab 9.3.
@@ -345,7 +340,6 @@ Protected variables can be added by going to your project's
 Once you set them, they will be available for all subsequent pipelines.
 ### Deployment environment variables
-{: #deployment-variables}
 > Introduced in GitLab 8.15.
@@ -382,7 +376,7 @@ limitations with the current Auto DevOps scripting environment.
 [Manually triggered pipelines](../pipelines.md#manually-executing-pipelines) allow you to override the value of a current variable.
 For instance, suppose you added a
-[custom variable `$TEST`](#creating-a-custom-variable)
+[custom variable `$TEST`](#creating-a-custom-environment-variable)
 as exemplified above and you want to override it in a manual pipeline.
 Navigate to your project's **CI/CD > Pipelines** and click **Run pipeline**.
 Choose the branch you want to run the pipeline for, then add a new variable
@@ -396,7 +390,6 @@ value you set for this specific pipeline:
 ![Manually overridden variable output](img/override_value_via_manual_pipeline_output.png)
 ## Environment variables expressions
-{: #variables-expressions}
 > Introduced in GitLab 10.7.

doc/ci/variables/predefined_variables.md

@@ -36,7 +36,7 @@ future GitLab releases.**
 | `CI_COMMIT_TAG`                         | 9.0    | 0.5    | The commit tag name. Present only when building tags. |
 | `CI_COMMIT_TITLE`                       | 10.8   | all    | The title of the commit - the full first line of the message |
 | `CI_CONFIG_PATH`                        | 9.4    | 0.5    | The path to CI config file. Defaults to `.gitlab-ci.yml` |
-| `CI_DEBUG_TRACE`                        | all    | 1.7    | Whether [debug tracing](#debug-tracing) is enabled |
+| `CI_DEBUG_TRACE`                        | all    | 1.7    | Whether [debug tracing](../README.md#debug-tracing) is enabled |
 | `CI_DEPLOY_PASSWORD`                    | 10.8   | all    | Authentication password of the [GitLab Deploy Token][gitlab-deploy-token], only present if the Project has one related.|
 | `CI_DEPLOY_USER`                        | 10.8   | all    | Authentication username of the [GitLab Deploy Token][gitlab-deploy-token], only present if the Project has one related.|
 | `CI_DISPOSABLE_ENVIRONMENT`             | all    | 10.1   | Marks that the job is executed in a disposable environment (something that is created only for this job and disposed of/destroyed after the execution - all executors except `shell` and `ssh`). If the environment is disposable, it is set to true, otherwise it is not defined at all. |

doc/ci/variables/where_variables_can_be_used.md

@@ -111,4 +111,4 @@ They are:
   - Script execution shell.
 - Not supported:
   - For definitions where the ["Expansion place"](#gitlab-ciyml-file) is GitLab.
-  - In the `only` and `except` [variables expressions](README.md#variables-expressions).
+  - In the `only` and `except` [variables expressions](README.md#environment-variables-expressions).

doc/ci/yaml/README.md

@@ -518,7 +518,7 @@ end-to-end:
       - $CI_COMMIT_MESSAGE =~ /skip-end-to-end-tests/
 ```
-Learn more about [variables expressions](../variables/README.md#variables-expressions).
+Learn more about [variables expressions](../variables/README.md#environment-variables-expressions).
 #### `only:changes`/`except:changes`
@@ -2249,7 +2249,7 @@ Runner itself](../variables/README.md#predefined-environment-variables).
 One example would be `CI_COMMIT_REF_NAME` which has the value of
 the branch or tag name for which project is built. Apart from the variables
 you can set in `.gitlab-ci.yml`, there are also the so called
-[Variables](../variables/README.md#variables)
+[Variables](../variables/README.md#gitlab-cicd-environment-variables)
 which can be set in GitLab's UI.
 Learn more about [variables and their priority][variables].

doc/development/gitaly.md

@@ -192,7 +192,7 @@ GITALY_REPO_URL=https://gitlab+deploy-token-1000:token-here@gitlab.com/nick.thom
 To use a custom Gitaly repository in CI, for instance if you want your
 GitLab fork to always use your own Gitaly fork, set `GITALY_REPO_URL`
-as a [CI environment variable](../ci/variables/README.md#variables).
+as a [CI environment variable](../ci/variables/README.md#gitlab-cicd-environment-variables).
 ---

doc/raketasks/backup_restore.md

@@ -632,7 +632,7 @@ directory (repositories, uploads).
 To restore a backup, you will also need to restore `/etc/gitlab/gitlab-secrets.json`
 (for Omnibus packages) or `/home/git/gitlab/.secret` (for installations
 from source). This file contains the database encryption key,
-[CI/CD variables](../ci/variables/README.md#variables), and
+[CI/CD variables](../ci/variables/README.md#gitlab-cicd-environment-variables), and
 variables used for [two-factor authentication](../user/profile/account/two_factor_authentication.md).
 If you fail to restore this encryption key file along with the application data
 backup, users with two-factor authentication enabled and GitLab Runners will

doc/topics/autodevops/index.md

@@ -141,7 +141,7 @@ in any of the following places:
 NOTE: **Note**
 The Auto DevOps base domain variable (`KUBE_INGRESS_BASE_DOMAIN`) follows the same order of precedence
-as other environment [variables](../../ci/variables/README.md#priority-of-variables).
+as other environment [variables](../../ci/variables/README.md#priority-of-environment-variables).
 A wildcard DNS A record matching the base domain(s) is required, for example,
 given a base domain of `example.com`, you'd need a DNS entry like:
@@ -669,7 +669,7 @@ repo or by specifying a project variable:
   file in it, Auto DevOps will detect the chart and use it instead of the [default
   one](https://gitlab.com/charts/auto-deploy-app).
   This can be a great way to control exactly how your application is deployed.
-- **Project variable** - Create a [project variable](../../ci/variables/README.md#variables)
+- **Project variable** - Create a [project variable](../../ci/variables/README.md#gitlab-cicd-environment-variables)
   `AUTO_DEVOPS_CHART` with the URL of a custom chart to use or create two project variables `AUTO_DEVOPS_CHART_REPOSITORY` with the URL of a custom chart repository and `AUTO_DEVOPS_CHART` with the path to the chart.
 ### Custom Helm chart per environment **[PREMIUM]**
@@ -770,7 +770,7 @@ also be customized, and you can easily use a [custom buildpack](#custom-buildpac
 TIP: **Tip:**
 Set up the replica variables using a
-[project variable](../../ci/variables/README.md#variables)
+[project variable](../../ci/variables/README.md#gitlab-cicd-environment-variables)
 and scale your application by just redeploying it!
 CAUTION: **Caution:**

doc/user/project/clusters/index.md

@@ -545,7 +545,7 @@ The result will then be:
 ## Deployment variables
 The Kubernetes cluster integration exposes the following
-[deployment variables](../../../ci/variables/README.md#deployment-variables) in the
+[deployment variables](../../../ci/variables/README.md#deployment-environment-variables) in the
 GitLab CI/CD build environment.
 | Variable | Description |

doc/user/project/pipelines/settings.md

@@ -182,4 +182,4 @@ https://example.gitlab.com/<namespace>/<project>/badges/<branch>/coverage.svg?st
 ## Environment Variables
-[Environment variables](../../../ci/variables/README.html#variables) can be set in an environment to be available to a runner.
+[Environment variables](../../../ci/variables/README.html#gitlab-cicd-environment-variables) can be set in an environment to be available to a runner.