delete unnecessary files from runner

also print disk space at each step

.github/workflows/publish.yml

@@ -12,6 +12,19 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+
+      - name: Check disk space
+        run: df -h
+
+      - name: "node-cleanup"
+        run: |
+          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc "$AGENT_TOOLSDIRECTORY"
+          sudo docker image prune --all --force
+          sudo docker builder prune -a
+
+      - name: Check disk space
+        run: df -h
+
       - name: Check out the repo
         uses: actions/checkout@v4
 
@@ -29,21 +42,30 @@ jobs:
           tags:
             type=semver,pattern={{version}}
 
+      - name: Check disk space
+        run: df -h
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v6
         with:
           context: .
-          push: true
+          push: false
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
 
+      - name: Check disk space
+        run: df -h
+
       - name: Install Apptainer
         run: |
           sudo apt update && \
           sudo apt install -y software-properties-common && \
           sudo add-apt-repository -y ppa:apptainer/ppa && \
           sudo apt install -y apptainer
 
+      - name: Check disk space
+        run: df -h
+
       - name: Write token for Sylabs Cloud
         env:
           SYLABS_TOKEN: ${{ secrets.SYLABS_TOKEN }}
@@ -60,4 +82,6 @@ jobs:
         run: |
           TAG=$(echo "${{ steps.meta.outputs.tags }}" | head -n1 | awk -F':' '{print $2}')
           apptainer build container.sif docker-daemon://${{ secrets.DOCKERHUB_USERNAME }}/enigma-pd-wml:$TAG
-          apptainer push -U container.sif library://${{ secrets.SYLABS_USERNAME }}/enigma-pd-wml/enigma-pd-wml:$TAG
+
+      - name: Check disk space
+        run: df -h