# External Components Setup

## Introduction

This guide provides instructions to deploy external components on the Kubernetes (K8s) cluster upon which OpenG2P components reply (Refer to [Deployment Architecture](/1.2/deployment/deployment-architecture.md)).

<table data-full-width="false"><thead><tr><th width="220">Module/Component</th><th width="52">All</th><th width="82">PBMS</th><th width="145" align="center">Social Registry</th><th width="79">GCTB</th><th width="162">Registration Toolkit</th><th>Monitoring and Re</th><th>SPAR</th></tr></thead><tbody><tr><td><a href="/pages/zS6BpeH4nIoWXqryxBiR">PostgreSQL</a></td><td></td><td></td><td align="center"></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/pages/dQgqgbcQa7z1dRigG2lV">Keycloak</a></td><td></td><td></td><td align="center"></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/pages/zKkG4n0v4dF7koHVUppZ">MinIO</a></td><td></td><td></td><td align="center"></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/pages/x5Fxnk0T5ch34Rev12YE">ODK Central</a></td><td></td><td></td><td align="center"></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/pages/TXeyLrzzHvQTvzU1eJZZ">Kafka</a></td><td></td><td></td><td align="center"></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/pages/S9btGmKUtFZEeRc0gqck">Logging &#x26; OpenSearch</a></td><td></td><td></td><td align="center"></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/pages/ZbV4onkvxzdPDobBMOe7">MOSIP Key Manager</a></td><td></td><td></td><td align="center"></td><td></td><td></td><td></td><td></td></tr><tr><td><a href="/pages/QReaeHMGQdodBVgEbboM">e-Signet</a></td><td></td><td></td><td align="center"></td><td></td><td></td><td></td><td></td></tr></tbody></table>

| Module/Component                                                                                       | Comments                                                                                 |
| ------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------- |
| [PostgreSQL](/1.2/deployment/external-components-setup/postgresql-server.md)                           | Required for all components. A single server instance may be used housing all databases. |
| [Keycloak](/1.2/deployment/external-components-setup/keycloak-deployment.md)                           | Required for PBMS, Social Registry                                                       |
| [MinIO](/1.2/deployment/external-components-setup/minio-deployment.md)                                 | Required for PBMS and GCTB only                                                          |
| [ODK Central](/1.2/deployment/external-components-setup/odk-central-deployment.md)                     | Required for Registration Toolkit                                                        |
| [Kafka](/1.2/deployment/external-components-setup/kafka-deployment.md)                                 | Required for Monitoring & Reporting                                                      |
| [Logging & OpenSearch](/1.2/deployment/external-components-setup/logging-and-opensearch-deployment.md) | Required for Monitoring & Reporting                                                      |
| [MOSIP Key Manager](/1.2/deployment/external-components-setup/keymanager-deployment.md)                | Required for PBMS, Social Registry                                                       |
| [e-Signet](/1.2/deployment/external-components-setup/esignet-deployment.md)                            | Required for SPAR and optionally for PBMS                                                |


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