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+---
+stage: Monitor
+group: Monitor
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
+---
+
+# Install Prometheus with a cluster management project
+
+> [Introduced](https://gitlab.com/gitlab-org/project-templates/cluster-management/-/merge_requests/5) in GitLab 14.0.
+
+[Prometheus](https://prometheus.io/docs/introduction/overview/) is an
+open-source monitoring and alerting system for supervising your
+deployed applications.
+
+Assuming you already have a [Cluster management project](../../../../../user/clusters/management_project.md) created from a
+[management project template](../../../../../user/clusters/management_project_template.md), to install Prometheus you should
+uncomment this line from your `helmfile.yaml`:
+
+```yaml
+  - path: applications/prometheus/helmfile.yaml
+```
+
+You can customize the installation of Prometheus by updating the
+`applications/prometheus/values.yaml` file in your cluster
+management project. Refer to the
+[Configuration section](https://github.com/helm/charts/tree/master/stable/prometheus#configuration)
+of the Prometheus chart's README for the available configuration options.
+
+Support for installing the Prometheus managed application is provided by the
+GitLab APM group. If you run into unknown issues,
+[open a new issue](https://gitlab.com/gitlab-org/gitlab/-/issues/new), and ping at
+least 2 people from the [APM group](https://about.gitlab.com/handbook/product/categories/#apm-group).