fixes

docker-compose.yml

@@ -8,7 +8,7 @@ services:
     ports:
       - "${MYSQL_HOST_PORT}:3306"
     volumes:
-      - ${MYSQL_VOLUME_NAME}:/var/lib/mysql
+      - volume:/var/lib/mysql
     healthcheck:
       test: ["CMD", "mysqladmin", "ping", "-h", "127.0.0.1", "-uroot", "-p${MYSQL_ROOT_PASSWORD}"]
       interval: ${MYSQL_HEALTHCHECK_INTERVAL}
@@ -43,4 +43,4 @@ services:
       - ${SWAGGER_SPEC_PATH}:/usr/share/nginx/html/swagger.yaml:ro
 
 volumes:
-  ${MYSQL_VOLUME_NAME}:
+  volume: