# PostgreSQL Server Deployment

## Introduction

This guide provides instructions to install PostgreSQL Server on the Kubernetes cluster. However, if you already have PostgreSQL server installed, or are using Cloud hosted Postgres, then you may skip the server installation. The instructions to initialize OpenG2P component databases are provided as part of the component installation instructions.

## Databases

Module/component-wise listing of databases is given below

<table><thead><tr><th width="349">Module/Component</th><th>Database Name</th></tr></thead><tbody><tr><td>PBMS</td><td><code>openg2pdb</code></td></tr><tr><td>Keycloak</td><td><code>keycloakdb</code></td></tr><tr><td>ODK</td><td><code>odkdb</code></td></tr><tr><td>SPAR</td><td><code>spardb</code></td></tr><tr><td>G2P Cash Transfer Bridge</td><td><code>gctbdb</code></td></tr><tr><td>MOSIP Key Manager</td><td><code>mosip_keymgr</code></td></tr></tbody></table>

## Prerequisites

* The following utilities/tools must be present on the user's machine.
  * `kubectl`, `istioctl`, `helm`, `jq`, `curl`, `wget`, `git`, `bash`, `envsubst`.

## Installation

* Clone the <https://github.com/openg2p/openg2p-deployment> repo and navigate to [kubernetes/postgresql](https://github.com/OpenG2P/openg2p-deployment/tree/main/kubernetes/postgresql) directory.
* Run:

  ```bash
  ./install.sh
  ```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.openg2p.org/1.2/deployment/external-components-setup/postgresql-server.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.