fix: healthcheck for database

docker-compose.yml

@@ -9,7 +9,7 @@ services:
             MYSQL_ROOT_PASSWORD: ${DATABASE_PASSWORD}
             MYSQL_DATABASE: ${DATABASE_NAME}
         healthcheck:
-            test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
+            test: mysqladmin ping -h 127.0.0.1 -u root --password=$$MYSQL_ROOT_PASSWORD
             interval: 5s
             timeout: 10s
             retries: 60
@@ -55,3 +55,5 @@ services:
             - DATABASE_PASSWORD=${DATABASE_PASSWORD}
             - DATABASE_HOST=database
 
+volumes:
+    db_data:
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