Wait while db container is started

docker-compose.yaml

@@ -7,6 +7,11 @@ services:
             - MYSQL_DATABASE=touchh
             - MYSQL_USER=touchh
             - MYSQL_PASSWORD=${MYSQL_PASSWORD:-touchh}
+        healthcheck:
+            test: mariadb -utouchh -p${MYSQL_PASSWORD:-touchh} -e 'SELECT 1;' touchh
+            interval: 1s
+            timeout: 10s
+            retries: 10
         volumes:
             - ./var/mysql:/var/lib/mysql
     bot:
@@ -15,7 +20,9 @@ services:
         image: touchh-py
         restart: on-failure
         command: ['python3', 'manage.py', 'run_bot']
-        depends_on: ['db']
+        depends_on:
+            db:
+                condition: service_healthy
         stop_signal: SIGINT
         volumes:
             - .:/app