Added deployment instructions and env settings list

README.md

 # Backend
+
 ![Gitlab pipeline status (self-managed)](https://img.shields.io/gitlab/pipeline-status/indicators-parser-saas/backend?branch=master&gitlab_url=https%3A%2F%2Fgit.miem.hse.ru)
 ![Gitlab code coverage (self-managed)](https://img.shields.io/gitlab/pipeline-coverage/indicators-parser-saas/backend?branch=master&gitlab_url=https%3A%2F%2Fgit.miem.hse.ru)
 ![Lines of code](https://tokei.rs/b1/git.miem.hse.ru/indicators-parser-saas/backend?category=code)
 
 Monolithic backend of IoC scraper service
 
-
 ## Deploy
 
-`//TODO: Add deploy instructions here`
+### Native deployment
+
+1. Install python 3.10
+2. Clone repository
+    ```bash
+    git clone https://git.miem.hse.ru/indicators-parser-saas/backend.git
+    ```
+3. Install dependencies
+    ```bash
+    pip install -r requirements.txt
+    ```
+4. Set enviroment variables in .env file
+5. Run development server
+    ```bash
+    python main.py
+    ```
+
+### Docker deployment
+
+1. Install docker
+2. Save enviroment variables in .env file
+3. Run docker image
+    ```bash
+    docker run -d --env-file .env -p 8000:8000 --name backend registry.miem.hse.ru/indicators-parser-saas/backend
+    ```
 
 ## Settings
-`//TODO: Add settings here`
+
+|        **Name**        |                                                   **Description**                                                   | **Is required?** |
+|:----------------------:|:-------------------------------------------------------------------------------------------------------------------:|:----------------:|
+|        `DB_URI`        |                              Database [URL](https://tortoise.github.io/databases.html)                              |         ✅        |
+|   `GITHUB_CLIENT_ID`   |   [GitHub OAuth](https://docs.github.com/en/developers/apps/building-oauth-apps/authorizing-oauth-apps) client id   |         ✅        |
+| `GITHUB_CLIENT_SECRET` | [GitHub OAuth](https://docs.github.com/en/developers/apps/building-oauth-apps/authorizing-oauth-apps) client secret |         ✅        |
+|     `JWK_KEY_FILE`     |                        RSA Private and Public key in Json Web Key format (key.jwk by default)                       |                  |
+|     `S3_SECRET_KEY`    |                                     AWS S3 or S3 like storage static key secret                                     |         ✅        |
+|     `S3_ACCESS_KEY`    |                                     AWS S3 or S3 like storage static access key                                     |         ✅        |
+|    `S3_REGION_NAME`    |                                        AWS S3 or S3 like storage region name                                        |         ✅        |
+|    `S3_ENDPOINT_URL`   |                                        AWS S3 or S3 like storage endpoint URL                                       |         ✅        |
+|   `S3_REPORTS_FOLDER`  |                                     AWS S3 or S3 like storage reports base path                                     |                  |
+|      `S3_BASE_URL`     |                                       Base URL for generating not signed URLs                                       |         ✅        |
 
 ## Documentation
+
 `//TODO: Add documentation here`