[{"data":1,"prerenderedAt":802},["ShallowReactive",2],{"/en-us/blog/gitlab-pages-features-review-apps-and-multiple-website-deployment":3,"navigation-en-us":44,"banner-en-us":443,"footer-en-us":453,"blog-post-authors-en-us-Matthew Macfarlane|Janis Altherr":692,"blog-related-posts-en-us-gitlab-pages-features-review-apps-and-multiple-website-deployment":718,"assessment-promotions-en-us":753,"next-steps-en-us":792},{"id":4,"title":5,"authorSlugs":6,"body":9,"categorySlug":10,"config":11,"content":15,"description":9,"extension":31,"isFeatured":13,"meta":32,"navigation":33,"path":34,"publishedDate":22,"seo":35,"stem":39,"tagSlugs":40,"__hash__":43},"blogPosts/en-us/blog/gitlab-pages-features-review-apps-and-multiple-website-deployment.yml","Gitlab Pages Features Review Apps And Multiple Website Deployment",[7,8],"matthew-macfarlane","janis-altherr",null,"product",{"slug":12,"featured":13,"template":14},"gitlab-pages-features-review-apps-and-multiple-website-deployment",false,"BlogPost",{"title":16,"description":17,"authors":18,"heroImage":21,"date":22,"body":23,"category":10,"tags":24,"updatedDate":30},"GitLab Pages features review apps and multiple website deployment","GitLab Pages helps organizations reap the rewards of knowledge management, including better collaboration and accessibility. Learn how to use a new feature, Parallel Deployments.",[19,20],"Matthew Macfarlane","Janis Altherr","https://res.cloudinary.com/about-gitlab-com/image/upload/v1749674550/Blog/Hero%20Images/blog-image-template-1800x945__1_.png","2024-09-23","[GitLab Pages](https://docs.gitlab.com/ee/user/project/pages/) has long been a popular choice for hosting static websites, allowing users to showcase their projects, blogs, and documentation directly from their repositories.\n\nBefore GitLab 17.4, you could only have a single version of your GitLab Pages website. So you couldn’t preview your changes or have multiple versions of your website deployed simultaneously. Now, with a Premium or Ultimate license, you can do both!\n\n### Introducing Parallel Deployments\n\nWith Parallel Deployments, users can now easily preview changes and manage multiple environments for their GitLab Pages sites. This enhancement allows seamless experimentation with new ideas, enabling users to confidently test and refine their sites. By catching any issues early, users can ensure the live site remains stable and polished, building on the already great foundation of GitLab Pages.\n\n### Why Parallel Deployments is a game-changer\n\n1. **Version control made easy**\\\n   If your project involves software development or documentation that covers multiple versions (such as user guides for different software releases), Parallel Deployments makes it easy to manage. Or you can use the feature to localize your website for different languages.\n2. **Flexibility to experiment**\\\n   Want to try out a new design or feature? Parallel Deployments lets you experiment freely. You can create a separate version of your site to test new ideas without impacting the current site. This flexibility encourages creativity and continuous improvement.\n\n### How to add review apps to your GitLab Pages project\n\nTo add a review app to your GitLab Pages project, edit your `.gitlab-ci.yml` file to create a deployment for each merge request (MR). Let’s assume you start with a `.gitlab-ci.yml` file somewhat like this:\n\n```yaml\ncreate-pages:\n  stage: deploy\n  script:\n    - npm run build\n  pages: \n    publish: dist # the name of the folder containing the pages files\n  rules:\n    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH # only run this job when there's a commit to the default branch\n\n```\n\nTo also run the pages pipeline when there’s an MR being opened or updated, we can add another rule to `pages.rules`:\n\n```yaml\n- if: $CI_PIPELINE_SOURCE == \"merge_request_event\"\n```\n\nIf we only add this rule, however, each Pages job will always replace the main deployment – each time an MR is opened! You likely don’t want that to happen.\n\nTo provide each individual deployment with its own URL, we’ve introduced the new `pages.path_prefix` property.\n\nA Pages deployment with this configuration...\n\n```yaml\ncreate-pages:\n  script:\n    - ...\n  pages:\n    ...\n    path_prefix: my-review-app\n\n```\n\n...will be available at `https://my-pages-app-7fe824.gitlab.io/my-review-app`, or, with unique domains disabled, `https://my-group.gitlab.io/my-project/my-review-app`.\n\nBut there’s no need to hardcode the path_prefix. You can dynamically generate it using CI variables. That’s particularly useful for review apps – to create a path for each MR, use the `CI_MERGE_REQUEST_IID variable`:\n\n```yaml\ncreate-pages:\n  script:\n    - ...\n  pages:\n    ...\n    path_prefix: mr-$CI_MERGE_REQUEST_IID\n\n```\n\nAn MR with the ID 114 would then automatically create a deployment at `https://my-pages-app-7fe824.gitlab.io/mr-114`.\n\nWith those concepts at hand, we’d like our pipeline to dynamically create either a main deployment for the default branch, or a path_prefixed-review app for MR events.\n\nFirst, let’s add a `create-pages-review-app` job to our pipeline config:\n\n```yaml\ncreate-pages-deployment:\n  # This job will create a pages deployment without path_prefix\n  # when there is a commit to the default branch\n  stage: deploy\n  script:\n    - npm run build\n  pages: \n    publish: dist \n  rules:\n    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH\n\ncreate-pages-review-app:\n  # This job will create a pages deployment with a path_prefix\n  # when there a merge request is created or updated.\n  stage: deploy\n  script:\n    - npm run build\n  pages:\n    publish: dist \n    path_prefix: 'mr-$CI_MERGE_REQUEST_IID' # Prefix with the mr-\u003Ciid>, like `mr-123`\n  rules:\n    - if: $CI_PIPELINE_SOURCE == \"merge_request_event\"\n\n```\n\nNow you’re creating a deployment both when pushing to the default branch, and prefixed parallel deployments when creating or updating MRs!\n\nFor the best experience, add the URL to the environment job property. This will add a link to the review app to the MR page:\n\n```yaml\ncreate-pages-deployment:\n  # This job will create a pages deployment without path_prefix\n  # when there is a commit to the default branch\n  stage: deploy\n  script:\n    - npm run build\n  pages: \n    publish: dist \n  rules:\n    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH\n\ncreate-pages-review-app:\n  # This job will create a pages deployment with a path_prefix\n  # when there a merge request is created or updated.\n  stage: deploy\n  script:\n    - npm run build\n  pages:\n    publish: dist \n    path_prefix: 'mr-$CI_MERGE_REQUEST_IID' # Prefix with the mr-\u003Ciid>, like `mr-123`\n  rules:\n    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH\n  environment:\n    name: \"Pages Review MR ${CI_MERGE_REQUEST_IID}\"\n    url: $CI_PAGES_URL\n\n```\n\nCongratulations, you’ve now set up MR review apps for your Pages site.\n\n## How to deploy documentation for different versions of your product\n\nThe Parallel Deployments feature is also a useful tool if you maintain the documentation of multiple versions of your software simultaneously.\n\nThe below CI config will not only create a pages deployment when there is a commit to the default branch, but also for any commit to branches named `v1`, `v2`, or `v3`.\n\n```yaml\ncreate-pages:\n  stage: deploy\n  script:\n    - ...\n  variables:\n    PAGES_PREFIX: \"$CI_COMMIT_BRANCH\" # Use the branch name by default\n  pages:\n    path_prefix: \"$PAGES_PREFIX\" # use whatever value is set in the variable\n  environment:\n    name: \"Pages ${PAGES_PREFIX}\"\n    url: $CI_PAGES_URL\n  artifacts:\n    paths:\n    - public\n  rules:\n    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH\n      variables:\n        PAGES_PREFIX: '' # No prefix\n    - if: $CI_COMMIT_BRANCH == 'v1'\n    - if: $CI_COMMIT_BRANCH == 'v2'\n    - if: $CI_COMMIT_BRANCH == 'v3'\n\n```\n\nBy using the `$CI_COMMIT_BRANCH` variable as the path_prefix value, each of these branches will deploy their documentation to their own sub-path of your website:\n\n- The branch named v1 has its docs published to \u003Cmy-domain>/v1.\n- The branch named v2 has its docs published to \u003Cmy-domain>/v2.\n- The branch named v3 has its docs published to \u003Cmy-domain>/v3.\n\nA new commit to one of these branches will then trigger a new deployment to its respective path, keeping the documentation of multiple versions up to date.\n\nThe Parallel Deployments feature is a significant upgrade to GitLab Pages, offering a more flexible and efficient way to manage your knowledge. Whether you're working on a small project or a large-scale site with multiple versions, this new capability will make your workflow smoother and more efficient\n\n> Visit our [Parallel Deployments documentation](https://docs.gitlab.com/ee/user/project/pages/#create-multiple-deployments) to get started today!\n\n### Feedback\n\nShare your ideas and other comments in our [feedback 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Patch Release: 18.9.2, 18.8.6, 18.7.6","Learn more about this patch release for GitLab Community Edition and Enterprise Edition.\n\n","https://res.cloudinary.com/about-gitlab-com/image/upload/v1749661926/Blog/Hero%20Images/security-patch-blog-image-r2-0506-700x400-fy25_2x.jpg","2026-03-11",[726,727],"patch releases","security releases",{"featured":13,"template":14,"externalUrl":729},"https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/",{"content":731,"config":740},{"title":732,"description":733,"authors":734,"category":10,"tags":736,"body":737,"heroImage":738,"date":739},"Navigate repositories faster with the file tree browser","Learn all about this new collapsible feature to increase visibility and simplify navigation, available across GitLab.com, GitLab Self-Managed, and GitLab Dedicated.",[735],"Talia Armato-Helle",[28,10,27],"You spot a file in the repository browser. You click into it, read through the code, and now you need to check something in a different part of the tree. So you hit the back button. Navigate down again. Maybe one more level. You find the next file, click in, and repeat.\n\nIt works. It just gets old fast.\n\nIf you have ever wished the repository browser felt more like your IDE and less like a series of breadcrumb trails, the file tree browser in GitLab 18.9 is for you.\n\n## What the file tree browser does\n\nThe file tree browser adds a collapsible, resizable panel alongside your file and directory views so your project structure stays visible while you read and navigate code. No more losing your place. No more clicking back to figure out where you are.\n\nIt shows your project’s files and directories in a tree alongside the file list and file content so you can see structure and code at the same time.\n\nIf you have used a file tree in an IDE or a Git platform, it should feel familiar:\n\n**Navigate with structure**\n\nExpand and collapse directories and switch between files while keeping a clear view of where you are in the repository hierarchy. When you navigate directly to a nested file, the tree expands parent directories and highlights the current file so you do not lose context. The tree also synchronizes with your current location, so selecting a file in the main content area updates the tree to match.\n\n**Filter by filename**\n\nAfter opening the tree, press `F` to open the global search dialog. Type part of a filename to jump to it from the results list, with each result showing its parent directories so you know where you are landing.\n\n\n**Keyboard-first navigation**\n\nThe tree implements the W3C ARIA treeview pattern, so you can move through files and directories entirely from the keyboard using arrow keys plus Enter, Space, Home, End, and character keys. That makes it more accessible for screen reader users and anyone who prefers to keep their hands on the keyboard.\n\n\n**Responsive across viewports**\n\nOn a desktop, the tree sits side by side with your file list and code. On smaller viewports, it becomes a left-side drawer you can toggle open when you need it. On mobile, the tree is hidden so the code view can use the full screen.\n\n\n**Built for large repositories**\n\nFor repositories with many entries, the tree uses pagination so you can load more items as needed without overwhelming the page. The experience stays responsive as your project grows.\n\n## See the file tree browser in action\n\nWatch GitLab Principal Developer Advocate Michael Friedrich walk through the new file tree browser in GitLab and see how it makes navigating large repositories feel like working in your IDE. The demo uses the [GitLab project: Tanuki IoT Platform](https://gitlab.com/gitlab-da/use-cases/ai/gitlab-duo-agent-platform/demo-environments/tanuki-iot-platform) project, which you can explore yourself to try the file tree in a real repository. \n\n\n\u003Ciframe src=\"https://player.vimeo.com/video/1171188581?badge=0&autopause=0&player_id=0&app_id=58479\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" title=\"File Tree in Repo Demo\">\u003C/iframe>\u003Cscript src=\"https://player.vimeo.com/api/player.js\">\u003C/script>\n\n\n## Try the file tree browser today\n\nThe file tree browser is available now on GitLab.com and was released in [18.9](https://about.gitlab.com/releases/2026/02/19/gitlab-18-9-released/) for GitLab Self-Managed and GitLab Dedicated.\n\nHere is how to get started:\n\n1. Open any repository file or directory view in your project (`/\u003Cproject>/-/tree/\u003Cbranch>`).\n2. In the upper left corner, select the file tree icon or press `Shift+F` to toggle the file tree browser.\n3. Press `F` to filter files by name or extension, start typing, and use the arrow keys plus `Enter` to jump directly to the file you want.\n\n## What’s next\n\nThe Source Code team at GitLab built the file tree browser with accessibility, performance at scale, and cross-viewport consistency as core requirements. Those principles will continue to guide what comes next, and your feedback will help us shape future iterations.\n\n## Help us continue to improve the file tree browser\n\nShare your thoughts about the file tree browser in [our feedback issue](https://gitlab.com/gitlab-org/gitlab/-/issues/581271).\n\n\n> Want to learn more about the file tree browser? Read the [file tree browser documentation](https://docs.gitlab.com/user/project/repository/files/file_tree_browser/).\n","https://res.cloudinary.com/about-gitlab-com/image/upload/v1773075582/yiosxfhwk8rfkulrtchv.png","2026-03-09",{"featured":33,"template":14,"slug":741},"navigate-repositories-faster-with-the-file-tree-browser",{"content":743,"config":751},{"title":744,"description":745,"authors":746,"heroImage":747,"body":748,"date":749,"category":10,"tags":750},"New GitLab metrics and registry features help reduce CI/CD bottlenecks","See how CI/CD Job Performance Metrics and Container Virtual Registry, currently in beta, help platform teams quickly spot slow jobs and simplify multi-registry container pulls.",[735],"https://res.cloudinary.com/about-gitlab-com/image/upload/v1771438388/t6sts5qw4z8561gtlxiq.png","Platform and DevOps engineers spend too much time piecing together visibility across fragmented tools and managing infrastructure that should just work.\n\nTwo new GitLab features currently in beta tackle this from different angles but share the same goal: giving practitioners direct control over the CI/CD infrastructure they depend on, without adding another third-party tool. One surfaces job-level performance data right where you monitor pipelines. The other simplifies how you pull container images from multiple registries with built-in caching.\n\nBoth features are open for feedback now. Your input will help shape what ships next.\n\n## CI/CD Job Performance Metrics\n\n* **Available tiers:** GitLab Premium, GitLab Ultimate\n* **Status:** Limited-availability beta on GitLab.com; available on GitLab Self-Managed and GitLab Dedicated when ClickHouse is configured\n\nToday, there’s no simple way to see when a particular job’s duration starts increasing or which jobs are quietly dragging down your pipeline runtimes. Most teams either build custom dashboards or manually dig through logs to answer basic questions like:\n\n* Which jobs are slowest?  \n* Where are failure rates climbing?  \n* Which stage is the real bottleneck?\n\nCI/CD Job Performance Metrics changes that by adding a new job-focused panel to the CI/CD analytics page at the project level.\n\nFor each job in your pipelines, you can see:\n\n* Typical (P50, median) and worst‑case (P95) job duration, so you can quickly view normal versus slowest runs  \n* Failure rate, so you can spot fragile or flaky jobs  \n* Job name and stage, covering the last 30 days by default\n\nThe table is sortable, searchable by job name, and paginated, so platform teams get a single view to answer questions that previously required separate tools or custom reporting.\n\n**Try it now**\n\n* Navigate to your project and select **Analyze \\> CI/CD analytics**.  \n* Look for the CI/CD job performance metrics panel and sort by duration or failure rate to find your slowest or least reliable jobs.\n\n**Documentation**\n\n* [CI/CD analytics – CI/CD job performance metrics](https://docs.gitlab.com/user/analytics/ci_cd_analytics/#cicd-job-performance-metrics)\n\n**What’s coming next**\n\nWe’re working on stage-level grouping, so you can view aggregated metrics across your build, test, and deploy stages, and quickly understand where to focus optimization work.\n\n**Share your feedback:**\n\n* [CI/CD job performance metrics epic](https://gitlab.com/groups/gitlab-org/-/work_items/18548)\n\n## Container Virtual Registry\n\n**Tier:** GitLab Premium, GitLab Ultimate\n**Status:** Beta, API-ready in 18.9\n\nMost organizations pulling container images into CI/CD pipelines rely on multiple registries: Docker Hub, Harbor, Quay, and internal registries, to name a few. Managing authentication, availability, and caching across all of them is operational overhead that slows pipelines down and introduces fragility.\n\nThe Container Virtual Registry lets you create a single GitLab endpoint that pulls from multiple upstream container sources with built-in caching.\n\nInstead of configuring credentials and availability for each registry individually in your pipeline configuration, you can:\n\n* Point your pipelines at one GitLab virtual registry endpoint  \n* Configure multiple upstream registries (Docker Hub, Harbor, Quay, and others using long-lived token authentication)  \n* Let GitLab resolve image pulls automatically, with pull-through caching to reduce bandwidth costs and improve reliability\n\nFor teams evaluating GitLab as a container registry replacement, this closes a critical capability gap. For teams already managing multi-registry container workflows, it centralizes image management into GitLab and cuts down on repeated pulls.\n\n**What the beta supports today**\n\n* Upstream registries using long-lived token authentication: Docker Hub, Harbor, Quay, and other compatible registries  \n* Pull-through caching so commonly used images are served from GitLab after the first pull  \n* API-first configuration, with UI management in progress++\n\nCloud provider registries requiring IAM authentication (such as Amazon Elastic Container Registry, Google Artifact Registry, and Azure Container Registry) are being considered for future iterations.\n\n**Test it today**\n\n* The Container Virtual Registry is API-ready in 18.9.  \n* SaaS (GitLab.com): Request access through your CSM or by commenting on the feedback issue below to have the feature flag enabled for your group.  \n* Self-managed: Enable the feature flag and configure the virtual registry using the API.\n\n**Documentation**\n\n* [Container Virtual Registry API](https://docs.gitlab.com/api/container_virtual_registries/)  \n* [Pull container images from the virtual registry](https://docs.gitlab.com/user/packages/virtual_registry/container/#pull-container-images-from-the-virtual-registry)\n\n\n Watch this walkthrough of the Container Virtual Registry Beta:\n   \n\n  \u003Ciframe src=\"https://player.vimeo.com/video/1167512082?title=0&byline=0&portrait=0&badge=0&autopause=0&player_id=0&app_id=58479\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" title=\"20260223_Container Virtual Registry Beta_V1\">\u003C/iframe>\u003C\u003Cscript src=\"https://player.vimeo.com/api/player.js\">\u003C/script>\n\n  \u003Cbr>\u003C/br>\n\n\n\n**Share your feedback:**\n\n* [Container virtual registry feedback issue](https://gitlab.com/gitlab-org/gitlab/-/issues/589630)\n\n## Help us build what matters\n\nEveryone in the GitLab community is a contributor. We built these betas based on community requests.\n\n* **CI/CD Job Performance Metrics** came from teams who had no easy way to see when build times started trending in the wrong direction, or which jobs were hurting pipeline reliability.  \n* **Container Virtual Registry** came from enterprise customers managing multiple registries and looking to reduce tool sprawl and bandwidth costs while evaluating GitLab as a central registry.\n\nYour feedback shapes what we create next. Try one or both of these betas, and share your experience in the linked feedback issues.\n\nThis is the first in a series of Core DevOps betas we plan to highlight. More are coming throughout the year, and we hope you’ll help us make them as useful as possible.\n","2026-02-25",[26,10,28],{"featured":33,"template":14,"slug":752},"new-gitlab-metrics-and-registry-features-help-reduce-ci-cd-bottlenecks",{"promotions":754},[755,769,780],{"id":756,"categories":757,"header":759,"text":760,"button":761,"image":766},"ai-modernization",[758],"ai-ml","Is AI achieving its promise at scale?","Quiz will take 5 minutes or less",{"text":762,"config":763},"Get your AI maturity score",{"href":764,"dataGaName":765,"dataGaLocation":247},"/assessments/ai-modernization-assessment/","modernization assessment",{"config":767},{"src":768},"https://res.cloudinary.com/about-gitlab-com/image/upload/v1772138786/qix0m7kwnd8x2fh1zq49.png",{"id":770,"categories":771,"header":772,"text":760,"button":773,"image":777},"devops-modernization",[10,42],"Are you just managing tools or shipping innovation?",{"text":774,"config":775},"Get your DevOps maturity score",{"href":776,"dataGaName":765,"dataGaLocation":247},"/assessments/devops-modernization-assessment/",{"config":778},{"src":779},"https://res.cloudinary.com/about-gitlab-com/image/upload/v1772138785/eg818fmakweyuznttgid.png",{"id":781,"categories":782,"header":784,"text":760,"button":785,"image":789},"security-modernization",[783],"security","Are you trading speed for security?",{"text":786,"config":787},"Get your security maturity score",{"href":788,"dataGaName":765,"dataGaLocation":247},"/assessments/security-modernization-assessment/",{"config":790},{"src":791},"https://res.cloudinary.com/about-gitlab-com/image/upload/v1772138786/p4pbqd9nnjejg5ds6mdk.png",{"header":793,"blurb":794,"button":795,"secondaryButton":800},"Start building faster today","See what your team can do with the intelligent orchestration platform for DevSecOps.\n",{"text":796,"config":797},"Get your free trial",{"href":798,"dataGaName":55,"dataGaLocation":799},"https://gitlab.com/-/trial_registrations/new?glm_content=default-saas-trial&glm_source=about.gitlab.com/","feature",{"text":499,"config":801},{"href":59,"dataGaName":60,"dataGaLocation":799},1773350815049]