refactored GitHub workflow Release GHCR Image

Author: rchakode

.github/workflows/build-ghcr-image-on-tag.yml

@@ -1,24 +1,47 @@
-name: GHCR Image
+name: Release GHCR Image
+
 on:
   push:
     tags:
       - v*
+
 jobs:
   build_ghcr_image:
     runs-on: ubuntu-latest
     permissions:
       contents: read
       packages: write
+    
     steps:
       - uses: actions/checkout@v5
-      - name: Build and push Docker image
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          fetch-depth: 0  # Récupère tous les tags
+      
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      
+      - name: Extract version
+        id: version
         run: |
-          export GIT_TAG=$(git describe --tags `git rev-list --tags --max-count=1`)
-          export IMAGE_TAG=$(echo $GIT_TAG | sed 's/v//')
-          docker build . --file Dockerfile --tag ghcr.io/realopslabs/kubeledger:$IMAGE_TAG
-          docker tag ghcr.io/realopslabs/kubeledger:$IMAGE_TAG ghcr.io/realopslabs/kubeledger:latest
-          echo "$GH_TOKEN" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
-          docker push ghcr.io/realopslabs/kubeledger:$IMAGE_TAG
-          docker push ghcr.io/realopslabs/kubeledger:latest
+          GIT_TAG=${GITHUB_REF#refs/tags/}
+          IMAGE_TAG=${GIT_TAG#v}
+          echo "tag=${IMAGE_TAG}" >> $GITHUB_OUTPUT
+          echo "git_tag=${GIT_TAG}" >> $GITHUB_OUTPUT
+      
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: |
+            ghcr.io/realopslabs/kubeledger:${{ steps.version.outputs.tag }}
+            ghcr.io/realopslabs/kubeledger:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max