Update Dockerfile

Dockerfile

@@ -27,6 +27,9 @@ ENV PATH=$PATH:/usr/bin/mono:/usr/lib/mono
 # Verify Mono installation and its compiler
 RUN mono --version && mcs --version
 
+# Ensure 7-Zip is installed correctly (you can remove this once confirmed)
+RUN 7z
+
 # Create necessary directories and set full permissions
 RUN mkdir -p /app/uploads /app/compile && chmod -R 777 /app