fix: simplify workflow docker check and fix template syntax

.forgejo/workflows/build-and-deploy.yaml

@@ -16,22 +16,17 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Install Docker CLI
+      - name: Verify Docker socket access
         run: |
-          apt-get update
-          apt-get install -y ca-certificates curl
-          install -m 0755 -d /etc/apt/keyrings
-          curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
-          chmod a+r /etc/apt/keyrings/docker.asc
-          echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian bookworm stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
-          apt-get update
-          apt-get install -y docker-ce-cli
+          docker version || echo "Docker CLI not found or daemon unreachable"
+          which docker || apt-get install -y docker.io
 
       - name: Set up Docker image tags
         id: meta
         run: |
-          echo "TAG=$(date +%Y%m%d-%H%M%S)-${GITHUB_SHA:0:7}" >> $GITHUB_OUTPUT
-          echo "FULL_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:$(date +%Y%m%d-%H%M%S)-${GITHUB_SHA:0:7}" >> $GITHUB_OUTPUT
+          TAG=$(date +%Y%m%d-%H%M%S)-${GITHUB_SHA:0:7}
+          echo "TAG=${TAG}" >> $GITHUB_OUTPUT
+          echo "FULL_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${TAG}" >> $GITHUB_OUTPUT
           echo "LATEST_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest" >> $GITHUB_OUTPUT
 
       - name: Build Docker image
@@ -74,9 +69,9 @@ jobs:
       - name: Deployment summary
         run: |
           echo "## Deployment Complete" >> $GITHUB_STEP_SUMMARY
-          echo "" >> $GITHUB_STEP_SUMMARY
           echo "- **Image**: ${{ steps.meta.outputs.FULL_IMAGE }}" >> $GITHUB_STEP_SUMMARY
           echo "- **Registry**: ${{ env.REGISTRY }}" >> $GITHUB_STEP_SUMMARY
           echo "- **Manifest updated**: k8s/20-deployment.yaml" >> $GITHUB_STEP_SUMMARY
           echo "" >> $GITHUB_STEP_SUMMARY
           echo "ArgoCD will automatically sync the deployment to the cluster." >> $GITHUB_STEP_SUMMARY
+