Environments and deployments

Environments describe where code is deployed.

Each time GitLab CI/CD deploys a version of code to an environment, a deployment is created.

GitLab:

• Provides a full history of deployments to each environment.
• Tracks your deployments, so you always know what is deployed on your servers.

If you have a deployment service like Kubernetes associated with your project, you can use it to assist with your deployments.

View environments and deployments

Prerequisites:

• You must have at least the Reporter role.

There are a few ways to view a list of environments for a given project:

On the project’s overview page, if at least one environment is available (that is, not stopped).

On the left sidebar, select Operate > Environments . The environments are displayed.



• To view a list of deployments for an environment, select the environment name, for example, staging .

  

Deployments show up in this list only after a deployment job has created them.

Search environments

To search environments by name:

1. On the left sidebar, select Search or go to and find your project.
2. Select Operate > Environments .
3. In the search bar, enter your search term.
4. The length of your search term should be 3 or more characters .
5. Matching applies from the beginning of the environment name.
6. For example, devel matches the environment name development , but elop does not.
7. For environments with a folder name format, matching applies after the base folder name.
8. For example when the name is review/test-app , search term test matches review/test-app .
9. Also searching with the folder name prefixed like review/test matches review/test-app .

CI/CD variables

To customize your environments and deployments, you can use any of the predefined CI/CD variables , and define custom CI/CD variables.

Types of environments

An environment is either static or dynamic:

• Static environment
• Usually reused by successive deployments.
• Has a static name - for example, staging or production .
• Created manually or as part of a CI/CD pipeline.

Create a static environment

You can create a static environment in the UI or in your .gitlab-ci.yml file.

In the UI

Prerequisites:

• You must have at least the Developer role.

To create a static environment in the UI:

1. On the left sidebar, select Search or go to and find your project.
2. Select Operate > Environments .
3. Select Create an environment .
4. Complete the fields.
5. Select Save .

In your .gitlab-ci.yml file

Prerequisites:

• You must have at least the Developer role.

To create a static environment, in your .gitlab-ci.yml file:

1. Define a job in the deploy stage.
2. In the job, define the environment name and url . If an environment of that name doesn’t exist when the pipeline runs, it is created.

For example, to create an environment named staging , with URL https://staging.example.com :

deploy_staging:
  stage: deploy
  script:
    - echo "Deploy to staging server"
  environment:
    name: staging
    url: https://staging.example.com

Create a dynamic environment

To create a dynamic environment, you use CI/CD variables that are unique to each pipeline.

Prerequisites:

• You must have at least the Developer role.

To create a dynamic environment, in your .gitlab-ci.yml file:

1. Define a job in the deploy stage.
2. In the job, define the following environment attributes: name : Use a related CI/CD variable like $CI_COMMIT_REF_SLUG . Optionally, add a static prefix to the environment’s name, which groups in the UI all environments with the same prefix.
3. url : Optional. Prefix the hostname with a related CI/CD variable like $CI_ENVIRONMENT_SLUG .

In the following example, every time the deploy_review_app job runs the environment’s name and URL are defined using unique values.

deploy_review_app:
  stage: deploy
  script: make deploy
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    url: https://$CI_ENVIRONMENT_SLUG.example.com
  rules:
    - if: $CI_COMMIT_BRANCH == "main"
      when: never
    - if: $CI_COMMIT_BRANCH

Set a dynamic environment URL

Some external hosting platforms generate a random URL for each deployment, for example: https://94dd65b.amazonaws.com/qa-lambda-1234567 . That makes it difficult to reference the URL in the .gitlab-ci.yml file.

To address this problem, you can configure a deployment job to report back a set of variables. These variables include the URL that was dynamically generated by the external service. GitLab supports the dotenv ( .env ) file format, and expands the environment:url value with variables defined in the .env file.

To use this feature, specify the artifacts:reports:dotenv keyword in .gitlab-ci.yml .

You can also specify a static part of the URL at environment:url , such as https://$DYNAMIC_ENVIRONMENT_URL . If the value of DYNAMIC_ENVIRONMENT_URL is example.com , the final result is https://example.com .

The assigned URL for the review/your-branch-name environment is visible in the UI.

For an overview, see Set dynamic URLs after a job finished .

In the following example a review app creates a new environment for each merge request:

• The review job is triggered by every push, and creates or updates an environment named review/your-branch-name . The environment URL is set to $DYNAMIC_ENVIRONMENT_URL .
• When the review job finishes, GitLab updates the review/your-branch-name environment’s URL. It parses the deploy.env report artifact, registers a list of variables as runtime-created, expands the environment:url: $DYNAMIC_ENVIRONMENT_URL and sets it to the environment URL.

review:
  script:
    - DYNAMIC_ENVIRONMENT_URL=$(deploy-script)                                 # In script, get the environment URL.
    - echo "DYNAMIC_ENVIRONMENT_URL=$DYNAMIC_ENVIRONMENT_URL" >> deploy.env    # Add the value to a dotenv file.
  artifacts:
    reports:
      dotenv: deploy.env                                                       # Report back dotenv file to rails.
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    url: $DYNAMIC_ENVIRONMENT_URL                                              # and set the variable produced in script to `environment:url`
    on_stop: stop_review
stop_review:
  script:
    - ./teardown-environment
  when: manual
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    action: stop

Note the following:

stop_review doesn’t generate a dotenv report artifact, so it doesn’t recognize the DYNAMIC_ENVIRONMENT_URL environment variable. Therefore you shouldn’t set environment:url in the stop_review job.
• If the environment URL isn’t valid (for example, the URL is malformed), the system doesn’t update the environment URL.
• If the script that runs in stop_review exists only in your repository and therefore can’t use GIT_STRATEGY: none , configure merge request pipelines for these jobs. This ensures that runners can fetch the repository even after a feature branch is deleted. For more information, see Ref Specs for Runners .

Add-Content -Path deploy.env -Value "DYNAMIC_ENVIRONMENT_URL=$DYNAMIC_ENVIRONMENT_URL"

Rename an environment

You cannot rename an environment.

To achieve the same result as renaming an environment:

Stop the existing environment .
1. Delete the existing environment .
2. Create a new environment with the desired name.

Deployment tier of environments

Introduced in GitLab 13.10.

Sometimes, instead of using an industry standard environment name, like production , you might want to use a code name, like customer-portal . While there is no technical reason not to use a name like customer-portal , the name no longer indicates that the environment is used for production.

To indicate that a specific environment is for a specific use, you can use tiers:

Environment tier	Environment name examples
production	Production, Live
staging	Staging, Model, Demo
testing	Test, QC
development	Dev, Review apps , Trunk
other

By default, GitLab assumes a tier based on the environment name . Instead, you can use the deployment_tier keyword to specify a tier.

Configure manual deployments

You can create a job that requires someone to manually start the deployment. For example:

deploy_prod:
  stage: deploy
  script:
    - echo "Deploy to production server"
  environment:
    name: production
    url: https://example.com
  rules:
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
      when: manual

The when: manual action:

• Exposes a play button for the job in the GitLab UI, with the text Can be manually deployed to <environment> .
• Means the deploy_prod job is only triggered when the play button is selected.

You can find the play button in the pipelines, environments, deployments, and jobs views.

Track newly included merge requests per deployment

GitLab can track newly included merge requests per deployment. When a deployment succeeded, the system calculates commit-diffs between the latest deployment and the previous deployment. This tracking information can be fetched via the Deployment API and displayed at a post-merge pipeline in merge request pages .

To activate this tracking, your environment must be configured in the following:

Environment name is not using folders with / (that is, top-level/long-lived environments), OR Environment tier is either production or staging .

Here are the example setups of environment keyword in .gitlab-ci.yml :

# Trackable
environment: production
environment: production/aws
environment: development
# Non Trackable
environment: review/$CI_COMMIT_REF_SLUG
environment: testing/aws

Working with environments

Once environments are configured, GitLab provides many features for working with them, as documented below.

Environment rollback

When you roll back a deployment on a specific commit, a new deployment is created. This deployment has its own unique job ID. It points to the commit you’re rolling back to.

For the rollback to succeed, the deployment process must be defined in the job’s script .

Only the deployment jobs are run. In cases where a previous job generates artifacts that must be regenerated on deploy, you must manually run the necessary jobs from the pipelines page. For example, if you use Terraform and your plan and apply commands are separated into multiple jobs, you must manually run the jobs to deploy or roll back.

Retry or roll back a deployment

If there is a problem with a deployment, you can retry it or roll it back.

To retry or roll back a deployment:

1. On the left sidebar, select Search or go to and find your project.
2. Select Operate > Environments .
3. Select the environment.
4. To the right of the deployment name:
5. To retry a deployment, select Re-deploy to environment .
6. To roll back to a deployment, next to a previously successful deployment, select Rollback environment .

If you have prevented outdated deployment jobs in your project, the rollback buttons might be hidden or disabled. In this case, see job retries for rollback deployments .

Environment URL

Version history Changed to persist arbitrary URLs in GitLab 15.2 with a flag named soft_validation_on_external_url . Disabled by default.

Generally available in GitLab 15.3. Feature flag soft_validation_on_external_url removed.

The environment URL is displayed in a few places in GitLab:

• In a merge request as a link:
• In the Environments view as a button:
• In the Deployments view as a button:

You can see this information in a merge request if:

• The merge request is eventually merged to the default branch (usually main ).
• That branch also deploys to an environment (for example, staging or production ).

For example:

Go from source files to public pages

With GitLab Route Maps , you can go directly from source files to public pages in the environment set for Review Apps.

Stopping an environment

Stopping an environment means its deployments are not accessible on the target server. You must stop an environment before it can be deleted.

If the environment has an on_stop action defined, it’s executed to stop the environment.

Stop an environment when a branch is deleted

You can configure environments to stop when a branch is deleted.

In the following example, a deploy_review job calls a stop_review job to clean up and stop the environment.

• Both jobs must have the same rules or only/except configuration. Otherwise, the stop_review job might not be included in all pipelines that include the deploy_review job, and you cannot trigger action: stop to stop the environment automatically.
• The job with action: stop might not run if it’s in a later stage than the job that started the environment.
• If you can’t use merge request pipelines , set the GIT_STRATEGY to none in the stop_review job. Then the runner doesn’t try to check out the code after the branch is deleted.

deploy_review:
  stage: deploy
  script:
    - echo "Deploy a review app"
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    url: https://$CI_ENVIRONMENT_SLUG.example.com
    on_stop: stop_review
stop_review:
  stage: deploy
  script:
    - echo "Remove review app"
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    action: stop
  when: manual

Stop an environment when a merge request is merged or closed

When you use the merge request pipelines configuration, the stop trigger is automatically enabled.

In the following example, the deploy_review job calls a stop_review job to clean up and stop the environment.

deploy_review:
  stage: deploy
  script:
    - echo "Deploy a review app"
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    on_stop: stop_review
  rules:
    - if: $CI_MERGE_REQUEST_ID
stop_review:
  stage: deploy
  script:
    - echo "Remove review app"
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    action: stop
  rules:
    - if: $CI_MERGE_REQUEST_ID
      when: manual

Run a pipeline job when environment is stopped

You can specify a job to run when an environment is stopped.

Prerequisites:

• Both jobs must have the same rules or only/except configuration.
• The stop_review_app job must have the following keywords defined: when , defined at either: The job level .
• In a rules clause . If you use rules and when: manual , you should also set allow_failure: true so the pipeline can complete even if the job doesn’t run.

environment:name

environment:action

In your .gitlab-ci.yml file, specify in the on_stop keyword the name of the job that stops the environment.

In the following example:

• A review_app job calls a stop_review_app job after the first job is finished.
• The stop_review_app is triggered based on what is defined under when . In this case, it is set to manual , so it needs a manual action from the GitLab UI to run.
• The GIT_STRATEGY is set to none . If the stop_review_app job is automatically triggered , the runner doesn’t try to check out the code after the branch is deleted.

review_app:
  stage: deploy
  script: make deploy-app
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    url: https://$CI_ENVIRONMENT_SLUG.example.com
    on_stop: stop_review_app
stop_review_app:
  stage: deploy
  variables:
    GIT_STRATEGY: none
  script: make delete-app
  when: manual
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    action: stop

Stop an environment after a certain time period

You can set an environment to stop automatically after a certain time period.

Due to resource limitations, a background worker for stopping environments runs only once every hour. This means that environments may not be stopped after the exact time period specified, but are instead stopped when the background worker detects expired environments.

In your .gitlab-ci.yml file, specify the environment:auto_stop_in keyword. Specify the time period in natural language, such as 1 hour and 30 minutes or 1 day . After the time period passes, GitLab automatically triggers a job to stop the environment.

In the following example:

• Each commit on a merge request triggers a review_app job that deploys the latest change to the environment and resets its expiry period.
• If the environment is inactive for more than a week, GitLab automatically triggers the stop_review_app job to stop the environment.

review_app:
  script: deploy-review-app
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    on_stop: stop_review_app
    auto_stop_in: 1 week
  rules:
    - if: $CI_MERGE_REQUEST_ID
stop_review_app:
  script: stop-review-app
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    action: stop
  rules:
    - if: $CI_MERGE_REQUEST_ID
      when: manual

View an environment’s scheduled stop date and time

When a environment has been scheduled to stop after a specified time period , you can view its expiration date and time.

To view an environment’s expiration date and time:

1. On the left sidebar, select Search or go to and find your project.
2. Select Operate > Environments .
3. Select the name of the environment.

The expiration date and time is displayed in the upper-left corner, next to the environment’s name.

Override a environment’s scheduled stop date and time

When a environment has been scheduled to stop after a specified time period , you can override its expiration.

To override an environment’s expiration:

1. On the left sidebar, select Search or go to and find your project.
2. Select Operate > Environments .
3. Select the deployment name.
4. in the upper-right corner, select the thumbtack ( ).

The auto_stop_in setting is overridden and the environment remains active until it’s stopped manually.

Stop an environment without running the on_stop action

There may be times when you want to stop an environment without running the defined on_stop action. For example, you want to delete many environments without using compute quota .

To stop an environment without running the defined on_stop action, execute the Stop an environment API with the parameter force=true .

Stop an environment by using the UI

To trigger an on_stop action and manually stop an environment from the Environments view, the stop and deploy jobs must be in the same resource_group .

To stop an environment in the GitLab UI:

1. On the left sidebar, select Search or go to and find your project.
2. Select Operate > Environments .
3. Next to the environment you want to stop, select Stop .
4. On the confirmation dialog, select Stop environment .

Multiple stop actions for an environment

Version history Introduced in GitLab 14.10 with a flag named environment_multiple_stop_actions . Disabled by default.

Generally available in GitLab 15.0. Feature flag environment_multiple_stop_actions removed.

To configure multiple parallel stop actions on an environment, specify the on_stop keyword across multiple deployment jobs for the same environment , as defined in the .gitlab-ci.yml file.

When an environment is stopped, the matching on_stop actions from only successful deployment jobs are run in parallel, in no particular order.

In the following example, for the test environment there are two deployment jobs:

• deploy-to-cloud-a
• deploy-to-cloud-b

When the environment is stopped, the system runs on_stop actions teardown-cloud-a and teardown-cloud-b in parallel.

deploy-to-cloud-a:
  script: echo "Deploy to cloud a"
  environment:
    name: test
    on_stop: teardown-cloud-a
deploy-to-cloud-b:
  script: echo "Deploy to cloud b"
  environment:
    name: test
    on_stop: teardown-cloud-b
teardown-cloud-a:
  script: echo "Delete the resources in cloud a"
  environment:
    name: test
    action: stop
  when: manual
teardown-cloud-b:
  script: echo "Delete the resources in cloud b"
  environment:
    name: test
    action: stop
  when: manual

Delete an environment

Delete an environment when you want to remove it and all its deployments.

Prerequisites:

• You must have at least the Developer role.
• You must stop the environment before it can be deleted.

To delete an environment:

1. On the left sidebar, select Search or go to and find your project.
2. Select Operate > Environments .
3. Select the Stopped tab.
4. Next to the environment you want to delete, select Delete environment .
5. On the confirmation dialog, select Delete environment .

Access an environment for preparation or verification purposes

Introduced in GitLab 13.2.

You can define a job that accesses an environment for various purposes, such as verification or preparation. This effectively bypasses deployment creation, so that you can adjust your CD workflow more accurately.

To do so, add either action: prepare , action: verify , or action: access to the environment section of your job:

build:
  stage: build
  script:
    - echo "Building the app"
  environment:
    name: staging
    action: prepare
    url: https://staging.example.com

This gives you access to environment-scoped variables, and can be used to protect builds from unauthorized access. Also, it’s effective to avoid the prevent outdated deployment jobs feature.

Group similar environments

You can group environments into collapsible sections in the UI.

For example, if all of your environments start with the name review , then in the UI, the environments are grouped under that heading:

The following example shows how to start your environment names with review . The $CI_COMMIT_REF_SLUG variable is populated with the branch name at runtime:

deploy_review:
  stage: deploy
  script:
    - echo "Deploy a review app"
  environment:
    name: review/$CI_COMMIT_REF_SLUG

Environment incident management

Production environments can go down unexpectedly, including for reasons outside of your control. For example, issues with external dependencies, infrastructure, or human error can cause major issues with an environment. Things like:

• A dependent cloud service goes down.
• A 3rd party library is updated and it’s not compatible with your application.
• Someone performs a DDoS attack to a vulnerable endpoint in your server.
• An operator misconfigures infrastructure.
• A bug is introduced into the production application code.

You can use incident management to get alerts when there are critical issues that need immediate attention.

View the latest alerts for environments

Introduced in GitLab 13.4.

If you set up alerts for Prometheus metrics , alerts for environments are shown on the environments page. The alert with the highest severity is shown, so you can identify which environments need immediate attention.

When the issue that triggered the alert is resolved, it is removed and is no longer visible on the environments page.

If the alert requires a rollback , you can select the deployment tab from the environment page and select which deployment to roll back to.

Auto Rollback

Introduced in GitLab 13.7.

In a typical Continuous Deployment workflow, the CI pipeline tests every commit before deploying to production. However, problematic code can still make it to production. For example, inefficient code that is logically correct can pass tests even though it causes severe performance degradation. Operators and SREs monitor the system to catch these problems as soon as possible. If they find a problematic deployment, they can roll back to a previous stable version.

GitLab Auto Rollback eases this workflow by automatically triggering a rollback when a critical alert is detected. GitLab selects and redeploys the most recent successful deployment.

Limitations of GitLab Auto Rollback:

• The rollback is skipped if a deployment is running when the alert is detected.
• A rollback can happen only once in three minutes. If multiple alerts are detected at once, only one rollback is performed.

GitLab Auto Rollback is turned off by default. To turn it on:

1. On the left sidebar, select Search or go to and find your project.
2. Select Settings > CI/CD .
3. Expand Automatic deployment rollbacks .
4. Select the checkbox for Enable automatic rollbacks .
5. Select Save changes .

Monitor environments (removed)

This feature was deprecated in GitLab 14.7 and removed in 16.0.

Web terminals (deprecated)

Deprecated in GitLab 14.5.

This feature was deprecated in GitLab 14.5.

If you deploy to your environments with the help of a deployment service (for example, the Kubernetes integration ), GitLab can open a terminal session to your environment. You can then debug issues without leaving your web browser.

The Web terminal is a container-based deployment, which often lack basic tools (like an editor), and can be stopped or restarted at any time. If this happens, you lose all your changes. Treat the Web terminal as a debugging tool, not a comprehensive online IDE.

Web terminals:

• Are available to project Maintainers and Owners only.
• Must be enabled .

In the UI, you can view the Web terminal by selecting Terminal from the actions menu:

You can also access the terminal button from the page for a specific environment:

Select the button to establish the terminal session:

This works like any other terminal. You’re in the container created by your deployment so you can:

• Run shell commands and get responses in real time.
• Check the logs.
• Try out configuration or code tweaks.

You can open multiple terminals to the same environment. They each get their own shell session and even a multiplexer like screen or tmux .

Check out deployments locally

A reference in the Git repository is saved for each deployment, so knowing the state of your current environments is only a git fetch away.

In your Git configuration, append the [remote "<your-remote>"] block with an extra fetch line:

fetch = +refs/environments/*:refs/remotes/origin/environments/*

Archive Old Deployments

Version history Introduced in GitLab 14.5.

Enabled on GitLab.com and self-managed in GitLab 14.6.

Generally available in GitLab 14.0. Feature flag deployments_archive removed.

When a new deployment happens in your project, GitLab creates a special Git-ref to the deployment . Since these Git-refs are populated from the remote GitLab repository, you could find that some Git operations, such as git-fetch and git-pull , become slower as the number of deployments in your project increases.

To maintain the efficiency of your Git operations, GitLab keeps only recent deployment refs (up to 50,000) and deletes the rest of the old deployment refs. Archived deployments are still available, in the UI or by using the API, for auditing purposes. Also, you can still fetch the deployed commit from the repository with specifying the commit SHA (for example, git checkout <deployment-sha> ), even after archive.

GitLab preserves all commits as keep-around refs so that deployed commits are not garbage collected, even if it’s not referenced by the deployment refs.

Limit the environment scope of a CI/CD variable

Version history Introduced in GitLab Premium 9.4.

Environment scoping for CI/CD variables was moved from GitLab Premium to GitLab Free in 12.2.

Environment scoping for Group CI/CD variables added to GitLab Premium in 13.11.

By default, all CI/CD variables are available to any job in a pipeline. Therefore, if a project uses a compromised tool in a test job, it could expose all CI/CD variables that a deployment job used. This is a common scenario in supply chain attacks. GitLab helps mitigate supply chain attacks by limiting the environment scope of a variable.

You can limit the environment scope of a CI/CD variable by defining which environments it can be available for. For example, if the environment scope is production , then only the jobs with the environment production defined would have this specific variable.

The default environment scope is a wildcard ( * ), which means that any job can have this variable, regardless of whether an environment is defined.

If the environment scope is review/* , then jobs with environment names starting with review/ would have that variable available.

In most cases, these features use the environment specs mechanism, which offers an efficient way to implement scoping in each environment group.

For example, if there are four environments:

• production
• staging
• review/feature-1
• review/feature-2

Each environment can be matched with the following environment spec:

Environment Spec	production	staging	review/feature-1	review/feature-2
*	Matched	Matched	Matched	Matched
production	Matched
staging		Matched
review/*			Matched	Matched
review/feature-1			Matched

You can use specific matching to select a particular environment. You can also use wildcard matching ( * ) to select a particular environment group, like Review Apps ( review/* ).

The most specific spec takes precedence over the other wildcard matching. In this case, the review/feature-1 spec takes precedence over review/* and * specs.

Related topics

Dashboard for Kubernetes

Downstream pipelines for deployments

Deploy to multiple environments with GitLab CI/CD (blog post)

Review Apps

Protected environments

Environments Dashboard

Deployment safety

Track deployments of an external deployment tool

Configure Kubernetes deployments (deprecated)

Troubleshooting

The job with action: stop doesn’t run

In some cases, environments do not stop when a branch is deleted .

For example, the environment might start in a stage that also has a job that failed. Then the jobs in later stages job don’t start. If the job with the action: stop for the environment is also in a later stage, it can’t start and the environment isn’t deleted.

To ensure the action: stop can always run when needed, you can:

Put both jobs in the same stage:

stages:
  - build
  - test
  - deploy
deploy_review:
  stage: deploy
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    url: https://$CI_ENVIRONMENT_SLUG.example.com
    on_stop: stop_review
stop_review:
  stage: deploy
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    action: stop
  when: manual
Add a needs entry to the action: stop job so the
job can start out of stage order:

stages:
  - build
  - test
  - deploy
  - cleanup
deploy_review:
  stage: deploy
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    url: https://$CI_ENVIRONMENT_SLUG.example.com
    on_stop: stop_review
stop_review:
  stage: cleanup
  needs:
    - deploy_review
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    action: stop
  when: manual

A deployment job failed with “This job could not be executed because it would create an environment with an invalid parameter” error

Introduced in GitLab 14.4.

If your project is configured to create a dynamic environment , you might encounter this error because the dynamically generated parameter can’t be used for creating an environment.

For example, your project has the following .gitlab-ci.yml :

deploy:
  script: echo
  environment: production/$ENVIRONMENT

Since $ENVIRONMENT variable does not exist in the pipeline, GitLab tries to create an environment with a name production/ , which is invalid in the environment name constraint .

To fix this, use one of the following solutions:

• Remove environment keyword from the deployment job. GitLab has already been ignoring the invalid keyword, therefore your deployment pipelines stay intact even after the keyword removal.
• Ensure the variable exists in the pipeline. Review the limitation on supported variables .

If you get this error on Review Apps

For example, if you have the following in your .gitlab-ci.yml :

review:
  script: deploy review app
  environment: review/$CI_COMMIT_REF_NAME

When you create a new merge request with a branch name bug-fix! , the review job tries to create an environment with review/bug-fix! . However, the ! is an invalid character for environments, so the deployment job fails since it was about to run without an environment.

To fix this, use one of the following solutions:

• Re-create your feature branch without the invalid characters, such as bug-fix .

• Replace the CI_COMMIT_REF_NAME predefined variable with CI_COMMIT_REF_SLUG which strips any invalid characters:

  review:
    script: deploy review app
    environment: review/$CI_COMMIT_REF_SLUG
  

Deployment refs are not found

Starting from GitLab 14.5, GitLab deletes old deployment refs to keep your Git repository performant.

If you have to restore archived Git-refs, ask an administrator of your self-managed GitLab instance to execute the following command on Rails console:

Project.find_by_full_path(<your-project-full-path>).deployments.where(archived: true).each(&:create_ref)

GitLab might drop this support in the future for the performance concern. You can open an issue in GitLab Issue Tracker to discuss the behavior of this feature.

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