refactor: add cleanup steps for Docker Buildx cache in backend deploy…

…ment workflow

.github/scripts/cleanup_system.sh

@@ -21,7 +21,7 @@ echo "      Starting System Cleanup        "
 echo "====================================="
 echo "Clearing system cache..."
 sync
-echo 3 > /proc/sys/vm/drop_caches
+echo 3 >/proc/sys/vm/drop_caches
 
 echo "Memory usage after cleanup:"
 free -h
@@ -31,13 +31,13 @@ echo "      Starting APT Cleanup           "
 echo "====================================="
 
 echo "Cleaning APT cache..."
-sudo apt-get clean -y
+apt-get clean -y
 
 echo "Removing unused packages..."
-sudo apt-get autoremove -y
+apt-get autoremove -y
 
 echo "Removing old downloaded archive files..."
-sudo apt-get autoclean -y
+apt-get autoclean -y
 
 echo "Current disk usage:"
 df -h
@@ -46,4 +46,4 @@ echo "====================================="
 echo "      Cleanup Complete               "
 echo "====================================="
 
-exit 0
+exit 0

.github/workflows/backend-deploy.yml

@@ -15,6 +15,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+
+      - name: remove buildx cache
+        run: rm -rf /tmp/.buildx-cache
+
+      - name: Clean up Docker Buildx
+        run: docker buildx prune --volumes --all --force
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
@@ -116,7 +122,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Running cleanup script
         run: |
-          chmod +x ./.github/scripts/cleanup_system.sh
+          chmod 777 ./.github/scripts/cleanup_system.sh
           ./.github/scripts/cleanup_system.sh
 
   notify: