diff --git a/z_checkers_dockerfiles/Java.Dockerfile b/z_checkers_dockerfiles/Java.Dockerfile
index d2423b5..fee3f16 100644
--- a/z_checkers_dockerfiles/Java.Dockerfile
+++ b/z_checkers_dockerfiles/Java.Dockerfile
@@ -11,11 +11,15 @@ RUN mvn -f /home/app/pom.xml clean package
 #
 FROM alpine:20240329
 
+WORKDIR /app
+
 RUN apk add openjdk17-jre
 
 ENV SERVER_ENDPOINT  http://backend:8000/api/check_system_callback
 ENV ENV_EXECUTOR_ENABLE true
 
+RUN chmod -R 555 /app && mkdir /app/adir && chattr +i /app/adir && chmod -R 557 /app/adir
+
 COPY --from=build /home/app/target/ProgramCheckSystem-1.0-SNAPSHOT.jar /usr/local/lib/demo.jar
 EXPOSE 7070
 ENTRYPOINT ["java","-jar","/usr/local/lib/demo.jar"]
\ No newline at end of file
diff --git a/z_checkers_dockerfiles/Plaintext.Dockerfile b/z_checkers_dockerfiles/Plaintext.Dockerfile
index 3f8bdf8..c5e90ab 100644
--- a/z_checkers_dockerfiles/Plaintext.Dockerfile
+++ b/z_checkers_dockerfiles/Plaintext.Dockerfile
@@ -33,7 +33,7 @@ ENV ENV_EXECUTOR_FILENAME main.txt
 ENV ENV_EXECUTOR_WITH_FILENAME false
 
 RUN apk add --update --no-cache python3 && ln -sf python3 /usr/bin/python
-RUN chmod -R 777 /app
+RUN chmod -R 555 /app && mkdir /app/adir && chattr +i /app/adir && chmod -R 557 /app/adir
 
 USER appuser
 
diff --git a/z_checkers_dockerfiles/Python.Dockerfile b/z_checkers_dockerfiles/Python.Dockerfile
index 2f413d3..597db17 100644
--- a/z_checkers_dockerfiles/Python.Dockerfile
+++ b/z_checkers_dockerfiles/Python.Dockerfile
@@ -32,7 +32,7 @@ ENV ENV_EXECUTOR_RUN_COMMAND python3
 ENV ENV_EXECUTOR_FILENAME main.py
 
 RUN apk add --update --no-cache python3 && ln -sf python3 /usr/bin/python
-RUN chmod -R 777 /app
+RUN chmod -R 555 /app && mkdir /app/adir && chattr +i /app/adir && chmod -R 557 /app/adir
 
 USER appuser
 
@@ -40,4 +40,4 @@ COPY --from=build /home/app/target/ProgramCheckSystem-1.0-SNAPSHOT.jar /app/main
 
 
 EXPOSE 7070
-ENTRYPOINT ["java","-jar","/app/main.jar"]
\ No newline at end of file
+ENTRYPOINT ["java","-jar","/app/main.jar"]