use versions. try to delete .git to save space

.github/workflows/cicd.yml

@@ -1,5 +1,5 @@
-name: Hello Folks
-on: [workflow_dispatch]
+name: CICD
+on: push
 jobs:
   greeting:
     runs-on: ubuntu-latest
@@ -13,13 +13,13 @@ jobs:
 
       # Workaround: https://github.com/docker/build-push-action/issues/461
       - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
+        uses: docker/setup-buildx-action@v3
 
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
       - name: Log into registry ghcr.io
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -29,15 +29,27 @@ jobs:
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
+        uses: docker/metadata-action@v5
         with:
           images: ghcr.io/${{ github.repository }}
 
+      - name: Check working space directory1
+        run: du ${GITHUB_WORKSPACE} -h -d 1
+
+      - name: Get more space
+        run: |
+          df . -h
+          sudo rm -rf ${GITHUB_WORKSPACE}/.git
+          df . -h
+
+      - name: Check working space directory2
+        run: du ${GITHUB_WORKSPACE} -h -d 1
+
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
+        uses: docker/build-push-action@v5
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}