feat: tag docker image

Signed-off-by: james <open4pd@4paradigm.com>

Author: DSFans2014

.github/workflows/go.yml

@@ -48,9 +48,20 @@ jobs:
         with:
           driver-opts: image=moby/buildkit:master
 
+      - name: Extract tag name
+        id: tag
+        run: |
+          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
+            TAG_NAME="${GITHUB_REF#refs/tags/}"
+            echo "tag_name=${TAG_NAME}" >> $GITHUB_OUTPUT
+            echo "Extracted tag: ${TAG_NAME}"
+          else
+            echo "tag_name=latest" >> $GITHUB_OUTPUT
+          fi
+
       - name: Build and optionally push
         uses: docker/build-push-action@v6.18.0
         with:
             platforms: linux/amd64,linux/arm64
-            push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
-            tags: projecthami/mock-device-plugin:latest
+            push: ${{ github.event_name == 'push' && (startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/master') }}
+            tags: projecthami/mock-device-plugin:${{ steps.tag.outputs.tag_name }}

Dockerfile

@@ -1,8 +1,8 @@
-FROM golang:1.21-bullseye AS GOBUILD
+FROM golang:1.21-bullseye AS gobuild
 ADD . /device-plugin
 RUN cd /device-plugin && go build -o ./k8s-device-plugin cmd/k8s-device-plugin/main.go
 
 FROM ubuntu:20.04
 WORKDIR /root/
-COPY --from=GOBUILD /device-plugin/k8s-device-plugin .
+COPY --from=gobuild /device-plugin/k8s-device-plugin .
 CMD ["./k8s-device-plugin", "-logtostderr=true", "-stderrthreshold=INFO", "-v=5", "--device-config-file=/device-config.yaml"]