Update docker-image.yml

.github/workflows/docker-image.yml

@@ -47,6 +47,10 @@ jobs:
         uses: docker/metadata-action@v3
         with:
           images: pinpointdocker/${{ inputs.component }}
+          flavor: |
+            latest=auto
+            prefix=
+            suffix=${{ inputs.tag_postfix }}
         
       - name: Build and push Docker image
         uses: docker/build-push-action@v2
@@ -55,7 +59,7 @@ jobs:
           file: ./${{ inputs.component }}/${{ inputs.dockerfile }}
           platforms: linux/amd64,linux/arm64
           push: true
-          tags: ${{ steps.meta.outputs.tags }}${{ inputs.tag_postfix }}
+          tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
 
       - name: Update repo description