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+# The_DisExcel_project
+
+A FastAPI project combining Excel and digital data ("The Great Excel project that is going to be built from Excel and digital projects").
+
+## Stack
+
+- Python >= 3.13
+- FastAPI + Uvicorn / Gunicorn
+- SQLAlchemy 2.0 (async) + Alembic (migrations)
+- PostgreSQL (asyncpg, psycopg2)
+- Pydantic 2 / Pydantic Settings
+- Poetry — dependency management
+- Docker, Ansible — deployment
+
+## Architecture
+
+```
+src/
+├── database/    # DB CRUD operations
+├── errors/      # HTTP errors
+├── logging/     # logging middleware
+├── migrations/  # Alembic migrations
+├── models/      # Pydantic and SQLAlchemy models, configs
+├── reports/     # reports
+├── service/     # business logic (auth, users_crud)
+└── web/         # routes (protected_routes)
+```
+
+Layers are connected top to bottom: `web → service → database → models`.
+
+## Authentication
+
+- JWT access + refresh tokens
+- Refresh token is stored in the DB as a SHA256 hash, with rotation and revocation support
+- Passwords are hashed with bcrypt
+- RBAC: direct user permissions + permissions via groups, checked through `require_permissions()`
+
+## Testing
+
+```
+tests/
+├── unit/
+├── integrated/
+└── e2e/
+```
+
+Uses pytest, pytest-asyncio, pytest-cov, pytest-mock, allure-pytest.
+
+## Installation
+
+```bash
+poetry install
+```
+
+## Running migrations
+
+```bash
+alembic upgrade head
+```
+
+## CI/CD
+
+Pipeline is set up via Gitea Actions (`.gitea/workflows/ci.yml`).
+
+## Deployment
+
+The repository includes ready-made `docker/` and `ansible/` configs for containerization and deployment.
+
+## License
+
+MH.Dmitrii's project