Strate documentation in README

README.md

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 # tfmod-prometheus
+
+Prometheus is an open source monitoring and alerting tool designed for dynamic cloud systems and especially well suited for monitoring microservice architectures. Prometheus collects and stores metrics as time series data. Metrics are a key means in understanding an applications behavior and a critical facet of operations support. Collectively, "it collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true." - [prometheus.io](https://prometheus.io/) 
+
+This modules uses Helm to deploy Prometheus to a cluster using the official chart. By default this will install dependent charts/components:
+- [alertmanager](https://github.com/prometheus-community/helm-charts/tree/main/charts/alertmanager)
+- [kube-state-metrics](https://github.com/prometheus-community/helm-charts/tree/main/charts/kube-state-metrics)
+- [prometheus-node-exporter](https://github.com/prometheus-community/helm-charts/tree/main/charts/prometheus-node-exporter)
+- [prometheus-pushgateway](https://github.com/walker-tom/helm-charts/tree/main/charts/prometheus-pushgateway)
+
+<!-- BEGIN_TF_DOCS -->
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.14.0 |
+| <a name="requirement_helm"></a> [helm](#requirement\_helm) | >= 2.11.0 |
+| <a name="requirement_kubernetes"></a> [kubernetes](#requirement\_kubernetes) | >= 2.23.0 |
+| <a name="requirement_null"></a> [null](#requirement\_null) | >= 3.2.1 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| <a name="provider_helm"></a> [helm](#provider\_helm) | >= 2.11.0 |
+| <a name="provider_kubernetes"></a> [kubernetes](#provider\_kubernetes) | >= 2.23.0 |
+
+## Modules
+
+| Name | Source | Version |
+|------|--------|---------|
+| <a name="module_images"></a> [images](#module\_images) | git@github.e.it.census.gov:terraform-modules/aws-ecr-copy-images.git/ | 2.0.2 |
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [helm_release.prometheus](https://registry.terraform.io/providers/hashicorp/helm/latest/docs/resources/release) | resource |
+| [kubernetes_namespace.ns](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/namespace) | resource |
+| [kubernetes_namespace.existing-ns](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/data-sources/namespace) | data source |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_alertmanager_tag"></a> [alertmanager\_tag](#input\_alertmanager\_tag) | The image tag of the alertmanager image. | `string` | `"v0.27.0"` | no |
+| <a name="input_cluster_name"></a> [cluster\_name](#input\_cluster\_name) | The name of the cluster into which prometheus will be installed. | `string` | n/a | yes |
+| <a name="input_create_namespace"></a> [create\_namespace](#input\_create\_namespace) | Indicates whether the `namespace` needs to be created ('true') or already exists (not `true`) | `bool` | `true` | no |
+| <a name="input_kube_state_metrics_tag"></a> [kube\_state\_metrics\_tag](#input\_kube\_state\_metrics\_tag) | The image tag of the kube-state-metrics image. | `string` | `"v2.13.0"` | no |
+| <a name="input_namespace"></a> [namespace](#input\_namespace) | The namespace to install the prometheus components. Defaults to 'prometheus' | `string` | `"prometheus"` | no |
+| <a name="input_node_exporter_tag"></a> [node\_exporter\_tag](#input\_node\_exporter\_tag) | The image tag of the node-exporter image. | `string` | `"v1.8.2"` | no |
+| <a name="input_profile"></a> [profile](#input\_profile) | AWS\_PROFILE to use to apply the terraform script. | `string` | `""` | no |
+| <a name="input_prometheus_chart_version"></a> [prometheus\_chart\_version](#input\_prometheus\_chart\_version) | The version of prometheus to install into the cluster. | `string` | `"25.24.1"` | no |
+| <a name="input_prometheus_config_reloader_tag"></a> [prometheus\_config\_reloader\_tag](#input\_prometheus\_config\_reloader\_tag) | The image tag of the prometheus-config-reloader image. | `string` | `"v0.75.1"` | no |
+| <a name="input_prometheus_server_tag"></a> [prometheus\_server\_tag](#input\_prometheus\_server\_tag) | The image tag of prometheus server to install into the cluster. | `string` | `"v2.53.1"` | no |
+| <a name="input_pushgateway_tag"></a> [pushgateway\_tag](#input\_pushgateway\_tag) | The image tag of the pushgateway image. | `string` | `"v1.9.0"` | no |
+| <a name="input_rwo_storage_class"></a> [rwo\_storage\_class](#input\_rwo\_storage\_class) | Specify the storage class for read/write/once persistent volumes. | `string` | `"gp3-encrypted"` | no |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_alertmanager_headless_internal_endpoint"></a> [alertmanager\_headless\_internal\_endpoint](#output\_alertmanager\_headless\_internal\_endpoint) | n/a |
+| <a name="output_alertmanager_internal_endpoint"></a> [alertmanager\_internal\_endpoint](#output\_alertmanager\_internal\_endpoint) | n/a |
+| <a name="output_prometheus_server_internal_endpoint"></a> [prometheus\_server\_internal\_endpoint](#output\_prometheus\_server\_internal\_endpoint) | n/a |
+| <a name="output_pushgateway_internal_endpoint"></a> [pushgateway\_internal\_endpoint](#output\_pushgateway\_internal\_endpoint) | n/a |
+<!-- END_TF_DOCS -->