Merge branch 'patch-58' into 'master'

Alertmanager on omnibus requires configuration

See merge request gitlab-org/gitlab-ce!28398

doc/development/architecture.md

@@ -125,7 +125,7 @@ Component statuses are linked to configuration documentation for each component.
 | [PgBouncer](#pgbouncer) | Database connection pooling, failover | [⚙][pgbouncer-omnibus] | [❌][pgbouncer-charts] | [❌][pgbouncer-charts] | [✅](https://about.gitlab.com/handbook/engineering/infrastructure/production-architecture/#database-architecture) | ❌ | ❌ | EE Only |
 | [Consul](#consul) | Database node discovery, failover | [⚙][consul-omnibus] | [❌][consul-charts] | [❌][consul-charts] | [✅](../user/gitlab_com/index.md#consul) | ❌ | ❌ | EE Only |
 | [GitLab self-monitoring: Prometheus](#prometheus) | Time-series database, metrics collection, and query service | [✅][prometheus-omnibus] | [✅][prometheus-charts] | [⚙][prometheus-charts] | [✅](../user/gitlab_com/index.md#prometheus) | ❌ | ❌ | CE & EE |
-| [GitLab self-monitoring: Alertmanager](#alertmanager) | Deduplicates, groups, and routes alerts from Prometheus | [✅][alertmanager-omnibus] | [✅][alertmanager-charts] |  [⚙][alertmanager-charts] | [✅](https://about.gitlab.com/handbook/engineering/monitoring/) | ❌ | ❌ | CE & EE |
+| [GitLab self-monitoring: Alertmanager](#alertmanager) | Deduplicates, groups, and routes alerts from Prometheus | [⚙][alertmanager-omnibus] | [✅][alertmanager-charts] |  [⚙][alertmanager-charts] | [✅](https://about.gitlab.com/handbook/engineering/monitoring/) | ❌ | ❌ | CE & EE |
 | [GitLab self-monitoring: Grafana](#grafana) | Metrics dashboard | [⚙][grafana-omnibus] | [⤓][grafana-charts] |  [⤓][grafana-charts] | [✅](https://dashboards.gitlab.com/d/RZmbBr7mk/gitlab-triage?refresh=30s) | ❌ | ❌ | CE & EE |
 | [GitLab self-monitoring: Sentry](#sentry) | Track errors generated by the GitLab instance | [⤓][sentry-omnibus] | [❌][sentry-charts] | [❌][sentry-charts] | [✅](https://about.gitlab.com/handbook/support/workflows/services/gitlab_com/500_errors.html#searching-sentry) | [⤓][gitlab-yml] | [⤓][gitlab-yml] | CE & EE |
 | [GitLab self-monitoring: Jaeger](#jaeger) | View traces generated by the GitLab instance | [❌][jaeger-omnibus] | [❌][jaeger-charts] | [❌][jaeger-charts] | [❌](https://gitlab.com/gitlab-org/omnibus-gitlab/issues/4104) | [⤓][jaeger-source] | [⚙][jaeger-gdk] | CE & EE |