limit docker log file size (#378)

Author: ChungPlusPlus

docker-compose-backend.yml

@@ -7,6 +7,11 @@ services:
             - ./cse-files:/app/cse-files
             - ./files:/app/files
             - ./logs:/app/logs
+        logging:
+            driver: json-file
+            options:
+                max-size: "100m"
+                max-file: "3"
 
         environment:
             SPRING_DATASOURCE_URL: "jdbc:mysql://host.docker.internal:3306/${MYSQL_DATABASE}?serverTimezone=Asia/Seoul&useSSL=false&allowPublicKeyRetrieval=true"