config: Added the github actions to support release tag

.github/workflows/agent-docker-image.yml

@@ -3,36 +3,82 @@ name: Agent Docker Image CI
 on:
   push:
     paths-ignore:
-      - 'charts/**'
       - '**.md'
-    branches: [ main ]
+      - 'charts/**'
+    branches:
+      - 'main'
+    tags:
+      - 'v*.*.*'
   pull_request:
-    paths-ignore:
-      - 'helm/**'
-      - '**.md'
-    branches: [ main ]
+    branches:
+      - 'main'
 
 env:
   # Use docker.io for Docker Hub if empty
   REGISTRY: ghcr.io
   # github.repository as <account>/<repo>
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE: ${{ github.repository }}/agent
 
 jobs:
-
   build:
-
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Build the Docker image
-      run: docker build . --file dockerfiles/agent/Dockerfile --tag ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/agent:latest
-    - name: Docker push
-      run: |
-        docker login ${{ env.REGISTRY }} -u jebinjeb -p ${{ secrets.GITHUB_TOKEN }}
-        docker push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/agent:latest
-      if: github.event_name == 'push'
-
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+        with:
+            fetch-depth: 0
+
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - uses: docker/setup-buildx-action@v1
+        name: Set up Docker Buildx
 
-
+      -
+        name: Login to ghcr registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            latest # Add the "latest" tag
+
+      -
+        name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./dockerfiles/agent/Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            "GITHUB_TOKEN=${{ secrets.TOKEN }}"
+
+      -
+        name: Build and push on PR
+        uses: docker/build-push-action@v4
+        if: github.event_name == 'pull_request'
+        with:
+          context: .
+          file: ./dockerfiles/agent/Dockerfile
+          push: false
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE }}:pr-${{ github.event.pull_request.number }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            "GITHUB_TOKEN=${{ secrets.TOKEN }}"
+