Remove dependency on TTP GHA

.github/workflows/on-tag.yml

@@ -25,11 +25,34 @@ jobs:
     timeout-minutes: 120
     name: Build and push to DockerHub
     steps:
-      - name: Run Docker on tmpfs
-        uses: JonasAlfredsson/docker-on-tmpfs@v1.0.1
-        with:
-          tmpfs_size: 10
-          swap_size: 10
+      # Workaround based on JonasAlfredsson/docker-on-tmpfs@v1.0.1
+      - name: Replace the current swap file
+        shell: bash
+        run: |
+          sudo swapoff /mnt/swapfile
+          sudo rm -v /mnt/swapfile
+          sudo fallocate -l 10G /mnt/swapfile
+          sudo chmod 600 /mnt/swapfile
+          sudo mkswap /mnt/swapfile
+          sudo swapon /mnt/swapfile
+
+      - name: Show current memory and swap status
+        shell: bash
+        run: |
+          sudo free -h
+          echo
+          sudo swapon --show
+
+      - name: Mount a tmpfs over /var/lib/docker
+        shell: bash
+        run: |
+          if [ ! -d "/var/lib/docker" ]; then
+            echo "Directory '/var/lib/docker' not found"
+            exit 1
+          fi
+          sudo mount -t tmpfs -o size=10G tmpfs /var/lib/docker
+          sudo systemctl restart docker
+          sudo df -h | grep docker
 
       - name: Set env variables
         run: echo "TAG=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_ENV