Update Readme.md

Readme.md

@@ -10,6 +10,31 @@
 | DB_HOST          | Адрес базы данных                              |
 | DB_PORT          | Порт базы данных                               |
 
+## Пример docker-compose
+```
+version: '3'
+services:
+  db:
+    image: mariadb
+    restart: always
+    environment:
+      - MYSQL_ROOT_PASSWORD=P@ssw0rd
+      - MYSQL_PASSWORD=P@ssw0rd
+      - MYSQL_DATABASE=rat
+      - MYSQL_USER=rat
+  ms-rat:
+    image: ms-rat
+    restart: always
+    ports:
+      - 8080:8080
+    environment:
+      - DB_USER=rat
+      - DB_PASSWORD=P@ssw0rd
+      - DB_NAME=rat
+      - DB_HOST=db
+      - DB_PORT=3306
+```
+
 ## Использование
 `go mod download && go mod verify`
 `go build -o ms-rat`