updated docs

7project/src/backend/README.md

@@ -0,0 +1,23 @@
+# Backend
+
+This directory contains the backend code for the project. It is built using Python and FastAPI framework and with
+database migrations support using Alembic.
+
+## Directory structure
+
+- `alembic/` - database migrations
+- `app/` - main application code
+    - `api/` - API endpoints - routers/controllers with request handling logic
+    - `core/` - core application logic - database session management, security
+    - `models/` - database models
+    - `schemas/` - Endpoint schemas
+    - `services/` - utilities for various tasks
+    - `workers/` - background tasks
+    - `app.py` - FastAPI startup script
+    - `celery_app.py` - Celery startup script
+- `tests/` - tests
+- `docker-compose.test.yml` - docker compose for testing database
+- `Dockerfile` - production Dockerfile
+- `main.py` - App entrypoint
+- `requirements.txt` - Python dependencies
+- `test_locally.sh` - script to run tests with temporary database