update

Signed-off-by: Junpu Fan <junpu@amazon.com>

Author: junpuf

.github/workflows/pr-example.yml

@@ -44,20 +44,16 @@ jobs:
       - name: build vllm-rayserve-ec2 image
         shell: bash
         run: |
-          DATE=$(date +"%Y-%m-%d")
-          COMMIT_REF=$(git rev-parse HEAD)
-          REPO=${{ secrets.AWS_ACCOUNT_ID }}.dkr.ecr.${{ secrets.AWS_REGION }}.amazonaws.com/ci
-          TAG=vllm-0.10.2-gpu-py312-cu128-ubuntu22.04-rayserve-ec2-pr-${{ github.event.pull_request.number }}-"${COMMIT_REF}"
           aws ecr get-login-password --region ${{ secrets.AWS_REGION }} | docker login --username AWS --password-stdin ${{ secrets.AWS_ACCOUNT_ID }}.dkr.ecr.${{ secrets.AWS_REGION }}.amazonaws.com
+          IMAGE_TAG=${{ secrets.AWS_ACCOUNT_ID }}.dkr.ecr.${{ secrets.AWS_REGION }}.amazonaws.com/ci:vllm-0.10.2-gpu-py312-cu128-ubuntu22.04-rayserve-ec2-pr-${{ github.event.pull_request.number }}
           DOCKER_BUILDKIT=1 docker build --progress plain \
-            --build-arg CACHE_REFRESH="${DATE}" \
-            --tag "${REPO}":"${TAG}" \
+            --build-arg CACHE_REFRESH=$(date +"%Y-%m-%d_%H") \
+            --tag "$IMAGE_TAG" \
             --target vllm-rayserve-ec2 \
             -f docker/vllm/Dockerfile.rayserve .
-          docker push "${REPO}":"${TAG}"
-          docker rmi "${REPO}":"${TAG}"
-          yes | docker system prune
-
+          docker push "$IMAGE_TAG"
+          docker rmi "$IMAGE_TAG"
+          
   example-on-g6xl-runner-1:
     needs: [example-on-build-runner]
     runs-on: