Update README with additional instructions

Author: ArchiDevil

README.md

@@ -3,7 +3,7 @@
 This is a CAT to work with texts. Now in experimental stage. Uses Python and
 Quart as a backend library.
 
-## Running the server
+## Running the development server
 
 To run development server navigate to `backend` directory and create virtual
 environment:
@@ -13,8 +13,29 @@ python3 -m venv .venv
 source .venv/bin/activate
 ```
 
+Install all dependencies:
+
+```bash
+pip install -r requirements.txt
+```
+
 Then run Quart dev server:
 
 ```bash
-python3 app.py
+python3 app/app.py
 ```
+
+## Running the production version
+
+To run production version of the tool you need to use `docker compose`:
+
+```bash
+docker-compose up -d --build
+```
+
+This will build all needed images and run services in detached mode. Please
+note that reverse proxy is listening to `80` port on the localhost, so you need
+to set up something to listed on the domain name if you need.
+
+The production version is located (or will be if not yet) at
+https://hat.codecliffs.ru