diff --git a/.github/actions/base-download/action.yml b/.github/actions/base-download/action.yml
index 118709987be..8bcf41c0936 100644
--- a/.github/actions/base-download/action.yml
+++ b/.github/actions/base-download/action.yml
@@ -10,28 +10,14 @@ runs:
         path: ./tmp
         pattern: ${{ env.BASE_ARTIFACT_PREFIX }}-*
         merge-multiple: true
-#
-#    - name: Load base images
-#      run: |
-#        pushd ./tmp >> /dev/null
-#        docker image load -i sflj
 
-#    - name: Download controller image
-#      uses: ishworkh/docker-image-artifact-download@v1
-#      with:
-#        image: "kserve/kserve-controller:${{ github.sha }}"
-#
-#    - name: Download agent image
-#      uses: ishworkh/docker-image-artifact-download@v1
-#      with:
-#        image: "kserve/agent:${{ github.sha }}"
-#
-#    - name: Download storage initializer image
-#      uses: ishworkh/docker-image-artifact-download@v1
-#      with:
-#        image: "kserve/storage-initializer:${{ github.sha }}"
-#
-#    - name: Download router image
-#      uses: ishworkh/docker-image-artifact-download@v1
-#      with:
-#        image: "kserve/router:${{ github.sha }}"
+    - name: Load base images
+      shell: bash
+      run: |
+        files=$(find ./tmp -maxdepth 1 -type f)
+        for file in ${files[@]};do
+          echo "Loading image $(basename ${file})"
+          docker image load -i ${file}
+        done
+        rm -rf ./tmp
+        docker image ls
diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 18d838404b5..0f62206d6a4 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -15,6 +15,7 @@ env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   DOCKER_IMAGES_PATH: /mnt/docker-images
   DOCKER_REPO: kserve
+  # artifact prefixes for bulk download
   PREDICTOR_ARTIFACT_PREFIX: pred
   EXPLAINER_ARTIFACT_PREFIX: exp
   TRANSFORMER_ARTIFACT_PREFIX: trans
@@ -42,7 +43,6 @@ env:
   SUCCESS_200_ISVC_IMG: success-200-isvc
   ERROR_404_ISVC_IMG: error-404-isvc
 
-
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
@@ -53,6 +53,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
       - name: Build KServe images
         run: |
           sudo mkdir -p ${DOCKER_IMAGES_PATH}
@@ -117,6 +120,9 @@ jobs:
       - name: Free-up disk space
         uses: ./.github/actions/free-up-disk-space
 
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
       - name: Build runtime server images
         run: |
           sudo mkdir -p ${DOCKER_IMAGES_PATH}
@@ -195,6 +201,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
       - name: Build runtime server images
         run: |
           sudo mkdir -p ${DOCKER_IMAGES_PATH}
@@ -228,6 +237,9 @@ jobs:
       - name: Free-up disk space
         uses: ./.github/actions/free-up-disk-space
 
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
       - name: Build test images needed for graph tests
         run: |
           sudo mkdir -p ${DOCKER_IMAGES_PATH}
@@ -292,36 +304,15 @@ jobs:
           pattern: ${{ env.PREDICTOR_ARTIFACT_PREFIX }}-*
           merge-multiple: true
 
-
-#      - name: Download sklearn server image
-#        uses: ishworkh/container-image-artifact-download@v1.0.0
-#        with:
-#          image: "kserve/sklearnserver:${{ github.sha }}"
-#
-#      - name: Download xgb server image
-#        uses: ishworkh/container-image-artifact-download@v1.0.0
-#        with:
-#          image: "kserve/xgbserver:${{ github.sha }}"
-#
-#      - name: Download lgb server image
-#        uses: ishworkh/container-image-artifact-download@v1.0.0
-#        with:
-#          image: "kserve/lgbserver:${{ github.sha }}"
-#
-#      - name: Download pmml image
-#        uses: ishworkh/container-image-artifact-download@v1.0.0
-#        with:
-#          image: "kserve/pmmlserver:${{ github.sha }}"
-#
-#      - name: Download paddle image
-#        uses: ishworkh/container-image-artifact-download@v1.0.0
-#        with:
-#          image: "kserve/paddleserver:${{ github.sha }}"
-#
-#      - name: Download custom model grpc image
-#        uses: ishworkh/container-image-artifact-download@v1.0.0
-#        with:
-#          image: "kserve/custom-model-grpc:${{ github.sha }}"
+      - name: Load predictor images
+        run: |
+          files=$(find ./tmp -maxdepth 1 -type f)
+          for file in ${files[@]};do
+            echo "Loading image $(basename ${file})"
+            docker image load -i ${file}
+          done
+          rm -rf ./tmp
+          docker image ls
 
       - name: Install Poetry and version plugin
         run: ./test/scripts/gh-actions/setup-poetry.sh
@@ -365,44 +356,36 @@ jobs:
           uses: actions/download-artifact@v4
           with:
             path: ./tmp
-            pattern: ${{ env.TRANSFORMER_ARTIFACT_PREFIX }}-*|${{ env.EXPLAINER_ARTIFACT_PREFIX }}-*
+            pattern: +(${{ env.TRANSFORMER_ARTIFACT_PREFIX }}|${{ env.EXPLAINER_ARTIFACT_PREFIX }})-*
             merge-multiple: true
 
         - name: Download sklearn server image
           uses: actions/download-artifact@v4
           with:
-            name: ${{ env.PREDICTOR_ARTIFACT_PREFIX }}-${{ env.SKLEARN_IMG }}
+            name: ${{ env.PREDICTOR_ARTIFACT_PREFIX }}-${{ env.SKLEARN_IMG }}-${{ github.sha }}
             path: ./tmp
 
         - name: Download custom model grpc image
-          uses: ishworkh/docker-image-artifact-download@v1
+          uses: actions/download-artifact@v4
           with:
-            image: "kserve/custom-model-grpc:${{ github.sha }}"
-
-#        - name: Download transformer image
-#          uses: ishworkh/container-image-artifact-download@v1.0.0
-#          with:
-#            image: "kserve/image-transformer:${{ github.sha }}"
-#
-#        - name: Download custom transformer grpc image
-#          uses: ishworkh/container-image-artifact-download@v1.0.0
-#          with:
-#            image: "kserve/custom-image-transformer-grpc:${{ github.sha }}"
+            name: ${{ env.PREDICTOR_ARTIFACT_PREFIX }}-${{ env.CUSTOM_MODEL_GRPC_IMG }}-${{ github.sha }}
+            path: ./tmp
 
         - name: Download xgb server image
-          uses: ishworkh/container-image-artifact-download@v1.0.0
+          uses: actions/download-artifact@v4
           with:
-            image: "kserve/xgbserver:${{ github.sha }}"
-
-#        - name: Download alibi image
-#          uses: ishworkh/container-image-artifact-download@v1.0.0
-#          with:
-#            image: "kserve/alibi-explainer:${{ github.sha }}"
-#
-#        - name: Download art explainer image
-#          uses: ishworkh/container-image-artifact-download@v1.0.0
-#          with:
-#              image: "kserve/art-explainer:${{ github.sha }}"
+            name: ${{ env.PREDICTOR_ARTIFACT_PREFIX }}-${{ env.XGB_IMG }}-${{ github.sha }}
+            path: ./tmp
+
+        - name: Load docker images
+          run: |
+            files=$(find ./tmp -maxdepth 1 -type f)
+            for file in ${files[@]};do
+            echo "Loading image $(basename ${file})"
+            docker image load -i ${file}
+            done
+            rm -rf ./tmp
+            docker image ls
 
         - name: Install Poetry and version plugin
           run: ./test/scripts/gh-actions/setup-poetry.sh
@@ -458,25 +441,34 @@ jobs:
       - name: KServe dependency setup
         uses: ./.github/actions/kserve-dep-setup
 
-      - name: Download sklearn server image
-        uses: ishworkh/container-image-artifact-download@v1.0.0
+      - name: Download graph artifacts
+        uses: actions/download-artifact@v4
         with:
-          image: "kserve/sklearnserver:${{ github.sha }}"
+          path: ./tmp
+          pattern: ${{ env.GRAPH_ARTIFACT_PREFIX }}-*
+          merge-multiple: true
 
-      - name: Download xgb server image
-        uses: ishworkh/docker-image-artifact-download@v1
+      - name: Download sklearn server image
+        uses: actions/download-artifact@v4
         with:
-          image: "kserve/xgbserver:${{ github.sha }}"
+          name: ${{ env.PREDICTOR_ARTIFACT_PREFIX }}-${{ env.SKLEARN_IMG }}-${{ github.sha }}
+          path: ./tmp
 
-      - name: Download success_200_isvc predictor image
-        uses: ishworkh/container-image-artifact-download@v1.0.0
+      - name: Download xgb server image
+        uses: actions/download-artifact@v4
         with:
-          image: "kserve/success-200-isvc:${{ github.sha }}"
+          name: ${{ env.PREDICTOR_ARTIFACT_PREFIX }}-${{ env.XGB_IMG }}-${{ github.sha }}
+          path: ./tmp
 
-      - name: Download error_404_isvc predictor image
-        uses: ishworkh/container-image-artifact-download@v1.0.0
-        with:
-          image: "kserve/error-404-isvc:${{ github.sha }}"
+      - name: Load docker images
+        run: |
+          files=$(find ./tmp -maxdepth 1 -type f)
+          for file in ${files[@]};do
+          echo "Loading image $(basename ${file})"
+          docker image load -i ${file}
+          done
+          rm -rf ./tmp
+          docker image ls
 
       - name: Install Poetry and version plugin
         run: ./test/scripts/gh-actions/setup-poetry.sh
diff --git a/test/scripts/gh-actions/build-graph-tests-images.sh b/test/scripts/gh-actions/build-graph-tests-images.sh
index e2c9cd3f043..d469d224c71 100755
--- a/test/scripts/gh-actions/build-graph-tests-images.sh
+++ b/test/scripts/gh-actions/build-graph-tests-images.sh
@@ -26,12 +26,12 @@ ERROR_404_ISVC_IMG_TAG=${DOCKER_REPO}/${ERROR_404_ISVC_IMG}:${GITHUB_SHA}
 
 pushd python >/dev/null
 echo "Building success_200_isvc image"
-docker buildx build -t "${SUCCESS_200_ISVC_IMG_TAG}" -f success_200_isvc.Dockerfile .
-docker image save -o "${DOCKER_IMAGES_PATH}/${SUCCESS_200_ISVC_IMG}-${GITHUB_SHA}" "${SUCCESS_200_ISVC_IMG_TAG}"
+docker buildx build -t "${SUCCESS_200_ISVC_IMG_TAG}" -f success_200_isvc.Dockerfile \
+  -o type=docker,dest="${DOCKER_IMAGES_PATH}/${SUCCESS_200_ISVC_IMG}-${GITHUB_SHA}",compression-level=0 .
 echo "Done building success_200_isvc image"
 echo "Building error_404_isvc image"
-docker buildx build -t "${ERROR_404_ISVC_IMG_TAG}" -f error_404_isvc.Dockerfile .
-docker image save -o "${DOCKER_IMAGES_PATH}/${ERROR_404_ISVC_IMG}-${GITHUB_SHA}" "${ERROR_404_ISVC_IMG_TAG}"
+docker buildx build -t "${ERROR_404_ISVC_IMG_TAG}" -f error_404_isvc.Dockerfile \
+  -o type=docker,dest="${DOCKER_IMAGES_PATH}/${ERROR_404_ISVC_IMG}-${GITHUB_SHA}",compression-level=0 .
 echo "Done building error_404_isvc image"
 popd
 echo "Done building images"
diff --git a/test/scripts/gh-actions/build-images.sh b/test/scripts/gh-actions/build-images.sh
index 9e6398d4412..c7a23e5fa8a 100755
--- a/test/scripts/gh-actions/build-images.sh
+++ b/test/scripts/gh-actions/build-images.sh
@@ -29,21 +29,21 @@ AGENT_IMG_TAG=${DOCKER_REPO}/${AGENT_IMG}:${GITHUB_SHA}
 ROUTER_IMG_TAG=${DOCKER_REPO}/${ROUTER_IMG}:${GITHUB_SHA}
 
 echo "Building Kserve controller image"
-docker buildx build . -t "${CONTROLLER_IMG_TAG}"
-docker image save -o "${DOCKER_IMAGES_PATH}/${CONTROLLER_IMG}-${GITHUB_SHA}" "${CONTROLLER_IMG_TAG}"
+docker buildx build . -t "${CONTROLLER_IMG_TAG}" \
+  -o type=docker,dest="${DOCKER_IMAGES_PATH}/${CONTROLLER_IMG}-${GITHUB_SHA}",compression-level=0
 
 echo "Building agent image"
-docker buildx build -f agent.Dockerfile . -t "${AGENT_IMG_TAG}"
-docker image save -o "${DOCKER_IMAGES_PATH}/${AGENT_IMG}-${GITHUB_SHA}" "${AGENT_IMG_TAG}"
+docker buildx build -f agent.Dockerfile . -t "${AGENT_IMG_TAG}" \
+  -o type=docker,dest="${DOCKER_IMAGES_PATH}/${AGENT_IMG}-${GITHUB_SHA}",compression-level=0
 
 echo "Building router image"
-docker buildx build -f router.Dockerfile . -t "${ROUTER_IMG_TAG}"
-docker image save -o "${DOCKER_IMAGES_PATH}/${ROUTER_IMG}-${GITHUB_SHA}" "${ROUTER_IMG_TAG}"
+docker buildx build -f router.Dockerfile . -t "${ROUTER_IMG_TAG}" \
+  -o type=docker,dest="${DOCKER_IMAGES_PATH}/${ROUTER_IMG}-${GITHUB_SHA}",compression-level=0
 
 pushd python >/dev/null
   echo "Building storage initializer"
-  docker buildx build -t "${STORAGE_INIT_IMG_TAG}" -f storage-initializer.Dockerfile .
-  docker image save -o "${DOCKER_IMAGES_PATH}/${STORAGE_INIT_IMG}-${GITHUB_SHA}" "${STORAGE_INIT_IMG_TAG}"
+  docker buildx build -f storage-initializer.Dockerfile . -t "${STORAGE_INIT_IMG_TAG}" \
+    -o type=docker,dest="${DOCKER_IMAGES_PATH}/${STORAGE_INIT_IMG}-${GITHUB_SHA}",compression-level=0
 popd
 
 echo "Done building images"
diff --git a/test/scripts/gh-actions/build-server-runtimes.sh b/test/scripts/gh-actions/build-server-runtimes.sh
index 939cce023a0..fa973e7ed04 100755
--- a/test/scripts/gh-actions/build-server-runtimes.sh
+++ b/test/scripts/gh-actions/build-server-runtimes.sh
@@ -42,41 +42,41 @@ types=("$1")
 pushd python >/dev/null
   if [[ " ${types[*]} " =~ "predictor" ]]; then
     echo "Building Sklearn image"
-    docker buildx build -t "${SKLEARN_IMG_TAG}" -f sklearn.Dockerfile .
-    docker image save -o "${DOCKER_IMAGES_PATH}/${SKLEARN_IMG}-${GITHUB_SHA}" "${SKLEARN_IMG_TAG}"
+    docker buildx build -t "${SKLEARN_IMG_TAG}" -f sklearn.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${SKLEARN_IMG}-${GITHUB_SHA}",compression-level=0 .
     echo "Building XGB image"
-    docker buildx build -t "${XGB_IMG_TAG}" -f xgb.Dockerfile .
-    docker image save -o "${DOCKER_IMAGES_PATH}/${XGB_IMG}-${GITHUB_SHA}" "${XGB_IMG_TAG}"
+    docker buildx build -t "${XGB_IMG_TAG}" -f xgb.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${XGB_IMG}-${GITHUB_SHA}",compression-level=0 .
     echo "Building LGB image"
-    docker buildx build -t "${LGB_IMG_TAG}" -f lgb.Dockerfile .
-    docker image save -o "${DOCKER_IMAGES_PATH}/${LGB_IMG}-${GITHUB_SHA}" "${LGB_IMG_TAG}"
+    docker buildx build -t "${LGB_IMG_TAG}" -f lgb.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${LGB_IMG}-${GITHUB_SHA}",compression-level=0 .
     echo "Building PMML image"
-    docker buildx build -t "${PMML_IMG_TAG}" -f pmml.Dockerfile .
-    docker image save -o "${DOCKER_IMAGES_PATH}/${PMML_IMG}-${GITHUB_SHA}" "${PMML_IMG_TAG}"
+    docker buildx build -t "${PMML_IMG_TAG}" -f pmml.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${PMML_IMG}-${GITHUB_SHA}",compression-level=0 .
     echo "Building Paddle image"
-    docker buildx build -t "${PADDLE_IMG_TAG}" -f paddle.Dockerfile .
-    docker image save -o "${DOCKER_IMAGES_PATH}/${PADDLE_IMG}-${GITHUB_SHA}" "${PADDLE_IMG_TAG}"
+    docker buildx build -t "${PADDLE_IMG_TAG}" -f paddle.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${PADDLE_IMG}-${GITHUB_SHA}",compression-level=0 .
     echo "Building Custom model gRPC image"
-    docker buildx build -t "${CUSTOM_MODEL_GRPC_IMG_TAG}" -f custom_model_grpc.Dockerfile .
-    docker image save -o "${DOCKER_IMAGES_PATH}/${CUSTOM_MODEL_GRPC_IMG}-${GITHUB_SHA}" "${CUSTOM_MODEL_GRPC_IMG_TAG}"
+    docker buildx build -t "${CUSTOM_MODEL_GRPC_IMG_TAG}" -f custom_model_grpc.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${CUSTOM_MODEL_GRPC_IMG}-${GITHUB_SHA}",compression-level=0 .
     echo "Building image transformer gRPC image"
-    docker buildx build -t "${CUSTOM_TRANSFORMER_GRPC_IMG_TAG}" -f custom_transformer_grpc.Dockerfile .
-    docker image save -o "${DOCKER_IMAGES_PATH}/${CUSTOM_TRANSFORMER_GRPC_IMG}-${GITHUB_SHA}" "${CUSTOM_TRANSFORMER_GRPC_IMG_TAG}"
+    docker buildx build -t "${CUSTOM_TRANSFORMER_GRPC_IMG_TAG}" -f custom_transformer_grpc.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${CUSTOM_TRANSFORMER_GRPC_IMG}-${GITHUB_SHA}",compression-level=0 .
   fi
 
   if [[ " ${types[*]} " =~ "explainer" ]]; then
     echo "Building Alibi image"
-    docker buildx build -t "${ALIBI_IMG_TAG}" -f alibiexplainer.Dockerfile .
-    docker save -o "${DOCKER_IMAGES_PATH}/${ALIBI_IMG}-${GITHUB_SHA}" "${ALIBI_IMG_TAG}"
+    docker buildx build -t "${ALIBI_IMG_TAG}" -f alibiexplainer.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${ALIBI_IMG}-${GITHUB_SHA}",compression-level=0 .
     echo "Building ART explainer image"
-    docker buildx build -t "${ART_IMG_TAG}" -f artexplainer.Dockerfile .
-    docker save -o "${DOCKER_IMAGES_PATH}/${ART_IMG}-${GITHUB_SHA}" "${ART_IMG_TAG}"
+    docker buildx build -t "${ART_IMG_TAG}" -f artexplainer.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${ART_IMG}-${GITHUB_SHA}",compression-level=0 .
   fi
 
   if [[ " ${types[*]} " =~ "transformer" ]]; then
     echo "Building Image transformer image"
-    docker buildx build -t "${IMAGE_TRANSFORMER_IMG_TAG}" -f custom_transformer.Dockerfile .
-    docker save -o "${DOCKER_IMAGES_PATH}/${IMAGE_TRANSFORMER_IMG}-${GITHUB_SHA}" "${IMAGE_TRANSFORMER_IMG_TAG}"
+    docker buildx build -t "${IMAGE_TRANSFORMER_IMG_TAG}" -f custom_transformer.Dockerfile \
+      -o type=docker,dest="${DOCKER_IMAGES_PATH}/${IMAGE_TRANSFORMER_IMG}-${GITHUB_SHA}",compression-level=0 .
   fi
 
 popd