# Technology Stack

| Component                                 | Details                                                                                               |
| ----------------------------------------- | ----------------------------------------------------------------------------------------------------- |
| [Apache Kafka](https://kafka.apache.org/) | Internal modules are integrated through Kafka messaging.                                              |
| [MongoDB](https://www.mongodb.com/)       | Primary data storage.                                                                                 |
| [Redis](https://redis.io/)                | Secondary in memory storage.                                                                          |
| Cloud Storage                             | Samba storage is used to store user input files.                                                      |
| [NGINX](https://www.nginx.com/)           | Serve as a redirection server and also takes care of system level configs. Ngnix acts as the gateway. |
| [Zuul](https://github.com/Netflix/zuul)   | API Gateway to apply filters on client requests,authenticate,authorize,throttle client requests.      |

## AI ML Assets

| Component                                                       | Details                                                       |
| --------------------------------------------------------------- | ------------------------------------------------------------- |
| [PRIMA](https://github.com/Layout-Parser/layout-model-training) | Layout detection model.                                       |
| [CRAFT](https://github.com/clovaai/CRAFT-pytorch)               | Used for Line detection.                                      |
| [Tesseract](https://github.com/tesseract-ocr)                   | Custom trained Tesseract used for OCR.                        |
| [IndicTrans2](https://github.com/AI4Bharat/IndicTrans2)         | Custom trained model used for translation.                    |
| [Dhruva](https://github.com/AI4Bharat/Dhruva-Platform)          | open-source platform for serving language AI models at scale. |


---

# 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://anuvaad.sunbird.org/learn/technology-stack.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.